) or smaller, and the equipment grounding conductor used with fixture wires of any size in accordance with 2. (A) Insulation. For our typical AC electrical system, the purpose of the “ Main Bonding Jumper ” is to connect the equipment grounding conductors (E. protected, Which of the following best defines the word ground? Select one: a. When a conductive surface, like metal, is not grounded and becomes electrically energized, it can carry sufficient voltage to administer a fatal shock. The purpose of grounding is to protect people, equipment, and structures from the dangers of electrical shock and fire by. The primary protector grounding terminal or grounding electrode shall be connected to the metal frame or available grounding terminal of the mobile home with a copper conductor not smaller than ? , where there is no mobile home service equipment or disconnecting means as in 800. True Section ? provides rules related to bonding methods for enclosures, raceways, and other normally non-current-carrying metal parts at the service and on the supply side of the service disconnecting means and Mar 16, 2008 · For wire-type equipment grounding conductors to be electrically continuous, they must be connected to enclosures using one of the methods specified in 250. 28, and 408. To provide current-carrying capability that can accept ground-fault current without creating a fire or explosive hazard. A copper, aluminum, or copper-clad aluminum conductor. ”. FPN No. The system bonding jumper provides electrical conductivity between the grounded (neutral) conductor and the equipment grounding conductor. Ground rod. It was confirmed that indeed there was good system grounding but one important element was missing – the absence of the EGC (Equipment Grounding Conductor) that connects the Main Bonding Jumper and the company’s system grounding. Office of Safety and Health Administration reports that the most common safety violation is the improper grounding of equipment or circuits. com/individual-pricing Want to train your team in industrial automation? Go here: The primary protector grounding terminal or grounding electrode shall be connected to the metal frame or available grounding terminal of the mobile home with a copper conductor not smaller than ? , where there is no mobile home service equipment or disconnecting means as in 800. 4 have mandatory application. The grounding electrode must be connected to earth and to the electrical equipment in such a manner that establishes a zero difference Feb 17, 2023 · We offer the #1 Electrical Exam Prep ProgramFREE VERSION https://electricalcodecoach. May 2, 2022 · Safety Purpose: The primary function of the grounding conductor is to offer a safe path for fault currents, preventing electrical hazards by diverting current away from people and equipment. The connection between the grounded circuit conductor and the equipment grounding conductor at the service. – Protecting the workers who regularly come in contact with electrical devices that might give them a shock. Ground. Grounding in electrical engineering refers to the process of. (5) Listed flexible metal conduit meeting all the following conditions: The conduit is terminated in listed fittings. grounded c. bonding conductor or jumper A main bonding jumper is the connection between the grounded conductor and the equipment grounding conductor and is located at a separately derived system. The earth is considered to be at zero potential. An electrical grounding conductor is a metal wire, metal bar, or similar item that performs as a conductor Apr 3, 2018 · Prevent shocks and electrocutions with an effective OSHA assured equipment grounding conductor program. Where the ground-fault circuit-interrupter protection required by paragraph (b)(3)(ii)(B) of this section is not available for receptacles other than 125-volt, single-phase, 15-, 20-, and 30-ampere, the employer shall establish and implement an assured equipment grounding conductor program covering cord sets, receptacles that are not a part of the building or structure, and equipment connected Aug 28, 2011 · But the purpose of an equipment grounding conductor (EGC) is to provide a low-impedance ground-fault current path to the source to operate overcurrent devices in the event of a ground fault. False When grounding is accomplished through a resistor, an impedance device, or a surge arrester, the grounding is considered to be solid. 118 Types of Equipment Grounding Conductors. Grounding is not done in order to clear ground-faults. Ground Symbols. 110 we learn that exposed, normally non-current-carrying metal parts of fixed equipment supplied by or enclosing conductors or components that are likely to become energized shall be connected to an equipment grounding conductor. The intentional electrical connection of one system terminal to the equipment The purpose of grounding d. 8 and 250. Having a strong grounding electrode Jul 8, 2024 · A main bonding jumper is the connection between the grounded conductor and the equipment grounding conductor and is located at a separately derived system. Dec 20, 2010 · The purpose of the grounding electrode and grounding electrode conductor is to connect the separately derived system/transformer grounded conductor or equipment to ground (earth), to limit the voltage imposed by line surges and to stabilize the transformer secondary voltage to ground during normal operation (Photo 3). 13, but must include a third insulated equipment grounding conductor that meets the rules in 250. 647. cause the quick operation of OCPDs II. Nov 28, 2022 · 10) Exposed metal parts of fixed equipment likely to become energized must be connected to the circuit equipment grounding conductor. electricalexamcoach. 13(A). 404(b)(1)(iii)(D) ] Perform this test on all cord sets, receptacles that are not part of a building or structure's permanent wiring, and cord- and plug-connected equipment required to be grounded. Electrical systems are earthed for three main purposes: 1. Bonding is the process of connecting metal parts of electrical equipment to ensure that they are at the same electrical potential. guarded d. The fundamental purpose of electrical grounding is to both protect personnel as well as property. Electrical grounding also reduces the risk of voltage fluctuations and electrical noise, which can interfere with the proper System Bonding Jumper is “The connection between the grounded circuit conductor and the supply-side bonding jumper, or the equipment grounding conductor, or both, at a separately derived system. 3 (B) and 250. Mar 16, 2023 · The primary purpose of electrical grounding is to protect people and equipment from electrical shock and damage. limit voltage surges, A metal enclosure surrounding electrically operated equipment ___. This is in case a fault occurs in one of the phases. This reduces the risk of electrical shock, electrocution, and fires caused by unexpected voltage spikes or short circuits. Prevents Damage from Power Surges; Electrical appliances can be vulnerable to power surges, which can happen during storms or other events. Want to learn about industrial automation? Go here: https://www. 148(A) through (D) (A) Connections and Splices. Grounding is the process of creating a low-resistance path for electrical currents to flow into the ground. 1. The circuit conductors contained in the conduit are protected by overcurrent devices rated at 20 amperes or less. This is typically achieved through the use of grounding electrodes, which are conductive rods or plates that are buried in the earth. 2 (D Jul 16, 2013 · Selection of a bonding conductor size is governed by Rule 10-814 (1). 24 (A) (4), 250. To develop an understanding of the requirements in 310. Jan 16, 2007 · Where equipment grounding conductors are installed with paralleled feeder conductors, the requirements in 310. The requirements in these sections call for all conductors of Aug 7, 2020 · Equipment Grounding Basics. The equipment grounding conductor connected to the grounding GFCI’s must be used on all 120 volt, single-phase 15 amp and 20 amp receptacles within 6 feet of a sink, damp areas or on installed outdoor equipment. Jul 21, 2017 · Bonding and grounding requirements overlap somewhat, but they all have a common interest – that of preventing electrical shocks and electrical fires. connecting a conductor to the Earth, which serves as a reference point for. The terms bonding and grounding are often used together, and in many cases, they're used interchangeably. Code Change Summary: A new exception now allows an equipment grounding conductor to also serve as a grounding electrode conductor under certain circumstances. According to 250. Utility grounded conductor Apr 10, 2020 · The ground is a poor conductor but good enough for this purpose. S. Jun 1, 2015 · Equipment grounding is a very important aspect of the electrical system. 0. In both cases, a separate insulated, isolated equipment-grounding conductor can be installed from the equipment (a nonmetallic bushing isolates the metal raceway Shields on power cables are connected to earth ground at each shield end and at splices for redundancy to prevent shock even though induced current will flow in the shield. terminal identified by a green-colored finish, the words "green" or "ground," or the letters "G" or "GR," or a grounding symbol c. Rigid metal conduit. This Rule states the following: “10-814 (1) The size of a bonding conductor shall be not less than that given in Table 16, but in no case does it need to be larger than the largest ungrounded conductor in the circuit . In a properly grounded system, a fault in equipment returns the current to the breaker panel via the equipment grounding conductor. As a safety feature for property, equipment and life – An earthed circuit reduces the risk of death or injury by providing an alternate path for current to discharge into the ground. I. Resistance of the 500 kcmil copper conductor is 0. Tools, appliances, lights and electronics need specific voltages to operate correctly and safely, and system grounding stabilizes these voltages. An equipment grounding conductor (EGC) connects the non-current carrying metal parts of equipment and metal enclosures to the grounded conductor at the service (which is connected to earth) and provides a low impedance path (an Effective Ground-Fault Current Path) to carry fault current in the event of a fault to ground occurring Study with Quizlet and memorize flashcards containing terms like The primary purpose of grounding metal equipment enclosures and metal raceways to the grounding electrode system (earth) is to ___. Isolated grounding of permanently installed electronic equipment is dealt with in 250. Sec. Insulated conductors shall be distinguishable by appropriate color or other means as being grounded conductors, ungrounded conductors, or equipment grounding conductors. A ground fault in the electrical system b. One of the first changes was in response to the indication that 404. Ground (electricity) A typical earthing electrode (left of gray pipe), consisting of a conductive rod driven into the ground, at a home in Australia. 146 (D) and 406. Grounding has a key role in the correct operation of the electrical systems, either power or electronics, as well as protecting people. Grounded conductors shall comply with 2. Intermediate metal conduit. A ? is an acceptable means of identification of the equipment grounding conductor terminal on a duplex receptacle. Most electrical codes specify that the insulation on protective earthing conductors must be a distinctive color (or color combination) not used for any other purpose. 1: It is recognized that the equipment grounding conductor also performs bonding. Electrical installations. realpars. The EGC limits voltages above ground potential on conductors and equipment enclosures during normal operation and conditions such as ground faults or short circuits. A metal rod or pipe used as a grounding electrode. 5 mm 2 (2. ) contained in each branch-circuit and the metal (conductive) service-disconnect enclosure to the Neutral Conductor of the electrical service. 250-2(d) prohibits — as application of Ohm's Law — using the earth as the sole equipment grounding conductor or fault current path, because doing so is dangerous. Grounding ensures that wherever you plug in your computer or television, you’ll get the Jun 2, 2016 · Grounding your electrical systems is critical to protect both building occupants and equipment from the danger of high voltage. 2) Rigid metal conduit (RMC). Without proper bonding and grounding, you and other pool users run the risk of electric shock when using your pool or equipment. A solid ground would typically be a conductor that connects to a ground source as a ground rod, a ground mat, or, as was common in the past, merely underground The continuity test ensures that the equipment grounding conductor is electrically continuous. Bonding is another important function EGCs perform. In this comprehensive guide, we will explore the critical components of electrical grounding, the grounded conductor (neutral), main bonding jumper, grounding electrode conductor (GEC), and equipment grounding conductor (EGC). a. ) Solidly grounded [100]. See full list on electrical-engineering-portal. Grounding Resistors. Safety is basically governed by the electrical codes and standards as adopted by government agencies and commercial entities. In 250. For many applications, grounding electrodes provide the essential function of connecting the electrical system to the earth. Where there is no connection between the bonding grid and the equipment grounding conductor for the premises, this bonding conductor is required to be connected to the equipment-grounding conductor of the pump motor circuit. (b) (1) Ground-fault protection –. Proper installa The grounding terminals of isolated ground receptacles installed in branch circuits for patient care spaces shall be connected to an insulated equipment grounding conductor in accordance with 250. 9. keep all metal parts at the same voltage III. Aug 29, 2020 · An equipment grounding conductor performs three very important functions when it comes to the electrical safety system. Electrical power, single-phase or three-phase, supplied to a user as a residence or a commercial building is generally grounded with a “solid ground” connection. bonded b. To keep the voltage of the device constant in the healthy phase. 1 and IEC 60417-5017). Bonding is connecting things together with a conductive path to establish electrical continuity. 3 (C). 118 for a list of acceptable equipment grounding To understand the issue of installing a grounding electrode conductor inside a building, one must first understand the purpose and the functions of the grounding electrode and the grounding electrode conductor. The 208 volt circuit originates in a 12-/208 volt, 3ph, 4wire service panelboard. [1] The choice of earthing system can affect the safety and electromagnetic compatibility of the installation. Equipment grounding conductors (EGC’s) serve to provide a ground-fault current path by connecting normally non-current carrying metal enclosures of electrical equipment to the system grounded conductor or the grounding electrode The equipment grounding conductor in a flexible cord with the largest circuit conductor 5. 24 (B). The bare copper grounding wires terminate in a grounding bar in your Jun 18, 2019 · Most engineers and technicians also wear ESD-safe jackets when working with PCBs and ICs for added protection against possibly damaging components and equipment. , Which NEC table is used for sizing grounding electrode conductors and bonding jumpers between electrodes in the grounding electrode system?, A grounding electrode Sep 27, 2021 · Grounding is the very foundation of a building or structure’s electrical system. Nov 27, 2023 · Electrical grounding is a fundamental aspect of ensuring safety and proper functioning within electrical systems. An assured equipment grounding conductor program is an OSHA and NFPA 70E requirement that ensures the safety of temporary power cord sets (extension cords). is required to be The role of grounding is to place a conductive object (equipment) at or as close to earth (ground) potential as possible. General ground symbol, or earth ground (IEEE Std 315-1975 section 3. For all their similarities, electrical bonding and grounding have several key differences; however, combining the two is a great defense against potential danger. In standard sheathed NM cable, this bare copper wire is included along with the insulated conducting wires inside the cable. Bonding is defined as “the permanent joining Jan 16, 2000 · The grounding of an electrical system and equipment is usually accomplished at the electrical service equipment of a building or structure. co A(n) ? is defined as a reliable conductor that ensures continuity and conductivity between metal parts required to be electrically connected. Lightning Protection System. Yet, the importance of proper electrical grounding is often neglected. This conductor shall be solid or stranded; insulated, covered, or bare; and in the form of a wire or a busbar of any shape. The GFCI must be tested before each use. , A ? includes all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device. terminal Sep 1, 2016 · Uses of Grounding. 118 of the NEC. 2(A) and (B). An earthing system (UK and IEC) or grounding system (US) connects specific parts of an electric power system with the ground, typically the equipments conductive surface, for safety and functional purposes. Grounding and bonding provide a safety net for electricity, giving it a return path to follow back to ground if a fault occurs and ensuring people and equipment remain safe. 8. 3) Intermediate metal conduit (IMC). Your house wiring is an electrical system, connected to ground at your electrical panel. Both are foundational safety concepts in the NEC, and often talked about in the same breath, but they The purpose of the system grounding [3] is for electrical safety of personnel and equipment as well as fire safety reasons. 118]: 1) A bare or insulated copper or aluminum conductor sized in accordance with 250. The GFCI must be the first device plugged into a permanent receptacle. Wire -Type Equipment Grounding Conductors in Cable Trays. Foundations and footings that are not in direct contact with the earth qualify as grounding electrodes. . 5, shall not be smaller than 18 AWG copper and shall not be smaller than the circuit conductors. Regardless of industry, the most important goal of grounding is to keep operators, users, and equipment safe. Grounding : Understanding the difference between “grounding” and “grounded” conductors is crucial; the former relates to earth The purpose of grounding is to stabilize voltage in relation to the earth or to another body that serves in place of the earth so that the voltage measured between an ungrounded conductor (also referred to as the “hot,” “live,” or phase conductor) and a grounded object is always at the same potential which is zero. 146 (D) with isolated grounding of cord-and-plug-connected electronic equipment. An electrical . equipment grounding conductor II. Equipment grounding: ensures that operating equipment within a structure is properly grounded. The size of the conduit does not exceed metric designator 35 Mar 1, 2000 · Grounded and equipment grounding conductors should never be interchanged. main bonding jumper III. 20 (B) of the 2020 NEC alternating-current (AC) systems of 50 volts to 1000 volts must be grounded which means referenced to earth. This current will produce losses and heating and will reduce the maximum current rating of the circuit. Sep 12, 2023 · System grounding. 5) Listed flexible metal conduit (FMC) where: a. Grounding is the physical connection of building’s grounded service conductor to the ground (earth) for the purpose of limiting any voltage caused by lightning, line surges, or unintentional contact with higher voltage lines. The National Electrical Code (NEC) defines grounding as “connecting to earth or to some conducting body that serves in place of the earth. Feb 5, 2019 · By: Jerry Durham | Feb 05, 2019. A fault on the line side of the panel uses the The equipment grounding conductor installed in each raceway shall be sized in accordance with 250. 50 requires all grounding electrodes that are present at each May 15, 2016 · The conductive path installed to connect normally non–currentcarrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode, or both. There is a distinct difference between grounding and bonding. An equipment grounding conductor can be any one or a combination of the following [250. 40. It creates a path for electricity to follow, bonds equipment together and keeps abnormal electrical events in check. 122 based on the rating of the overcurrent protective device for the feeder or branch circuit. The term equipment grounding refers to the grounding of parts of the electric system that do not regularly conduct electricity, like service equipment, the frames of appliances, metal conduits, and metal shields of shielded cable. Purpose of Earthing. 2(C Feb 19, 2014 · A. This is explained in National 250. The conductivity of the cable tray aluminum is about 55 percent that of copper. 0258 ohms/k FT. com equipment grounding conductor. The purpose of bonding is to establish an effective path for fault current that, in turn, facilitates the operation of the overcurrent protective device. System Ground: A system ground refers to the connection or reference point within an electronic system that serves as the common reference voltage level for all components, devices, and The conductive path (s) that provide a ground-fault current path and connect normally noncurrent-carrying metal parts of equipment together and to the system grounded conductor, or to the grounding electrode conductor, or both. The cross section of the Aluminum cable tray side rails is 2 square inches. brass colored screw terminal on the receptacle b. One of the main reasons for grounding equipment is for the safety of users and equipment while maintaining strict adherence to regulations. May 17, 2023 · Grounding is the process of connecting a conductor or an electrical device to the earth, effectively providing a safe and stable path for excess electricity to escape. Surge Protection Devices (SPD) (formerly called TVSS) 1. 2: See 250. Oct 1, 2001 · Some manufacturers require you to “ground” their equipment to an “isolated” ground point in the earth, independent from the building's electrical system. The following ground symbols are some that may be found in designs: Figure 9. Equipment grounding provides a return path for ground-fault current. However, in most cases equipment that is grounded is also bonded by being connected together. Instead of using GFCI's, the employer can develop and implement an assured grounding program for equipment used in their facilities. The purpose of a grounding electrode is to function as the connection between the ground (earth) and grounded electrical systems and electrical equipment. The EGC is a # 3 AWG copper (NEC Table 250-95). 122 Sep 14, 2022 · The grounding pathway is generally formed by a system of bare copper wires that connect to every device and every metal electrical box in your home. These conductors serve entirely different purposes, so it is understandable that their sizing requirements differ. providing a safe path for electrical current to flow to the Earth. (b) (1) (i) General. The employer shall use either ground-fault circuit interrupters as specified in paragraph (b) (1) (ii) of this section or an assured equipment grounding conductor program as specified in paragraph (b) (1) (iii) of this section to protect employees on construction sites. The earth or a conducting connection to the earth. The main purpose of grounding is to protect people, equipment, and buildings from electrical hazards. (For more details, see 250. 122 (F), a brief review of the rules in 300. If WYE Electric, Inc. The primary purpose of equipment grounding is safety. The primary purpose of the main bonding jumper is to carry the ground-fault current from the service enclosure as well as from the equipment grounding system that is returning to the source. May 16, 2000 · Grounding electrode. It provides a reference point for electrical voltages, allowing excess electricity to dissipate safely. 6 mm dia. 3 General. System grounding also impacts the performance of electronic load equipment for reasons related The 5 Ways Electrical Grounding Protects You and Your Equipment. – In electric traction systems as well as in communication systems, grounding works as a return 250. A proper grounding system can help protect individuals The NEC defines equipment bonding jumpers as the connection between two or more portions of the equipment grounding conductor. The latest attempt to eliminate this intentionally introduced current onto the equipment grounding conductor resulted in further revisions to 404. Grounding of electrical equipment has two purposes: To ensure that persons in the area are not exposed to dangerous, electric-shock voltage. 96 (B) and 250. Grounding the electrical system provides a safe path for excess electricity to flow into the earth, protecting your appliances from damage. Each serves a different purpose. It can also be used as an equipment grounding conductor to clear ground faults per NEC Welcome to the GE Intelligent Platforms Solution Video Series. electrical potentials. 2 General. Equipment Grounding Conductors. Mar 12, 2018 · The equipment-grounding conductor should not be used to complete this circuit under any circumstance. Bonding Jumper, Main. [See figure 1] General. Figure 3. Appliances, Equipment, property and lives are protected against faults, leaks and Apr 22, 2020 · When it comes to electrical grounding, many strategies are employed to accomplish different tasks. 29CFR1926. G. Aug 28, 2006 · A conductor, screw, or strap that bonds the equipment grounding (bonding) conductor at service equipment to the grounded neutral service conductor in accordance with 250. 122. The grounded conductor (usually the neutral or white conductor) and metal enclosure of the electrical service are connected to the earth by using a grounding electrode conductor which connects to a Mar 14, 2017 · The bonding conductor is to be extended from the equipotential bonding grid to an accessible location near the motor. Study with Quizlet and memorize flashcards containing terms like A grounding electrode conductor connects a system grounded conductor or equipment, or both, to a grounding electrode, or to a point on the grounding electrode system. It helps to direct electrical current away from sensitive components and channels it safely into the ground. Figure 3 shows the first private pole with the secondary feeder conductors and no EGC. is required to use an Assured Equipment Grounding Conductor If circuit conductors are spliced within a box or terminated on equipment within or supported by a box, all wire-type equipment grounding conductor(s) associated with any of those circuit conductors shall be connected within the box or to the box in accordance with 250. Use of a separately derived 120-volt single-phase 3- wire system with 60 volts on each of two ungrounded conductors to an equipment grounding conductor shall be permitted for the purpose of reducing objectionable noise in sensitive electronic equipment locations, provided the following conditions apply: The system is installed Feb 26, 2024 · The primary purpose of electrical earth ground is to prevent electrical shocks and reduce the risk of fires and equipment damage during fault conditions. Section 250. In this episode, we’ll explore Understanding equipment grounding – the basics. 4 and 250. 146(D) in addition to the equipment grounding conductor path required in 517. Instead, it connects the noncurrent-carrying metal parts of an electrical service, such as a panel enclosure or meter base enclosure, directly to the the earth below through a driven ground rod or similar buried electrode. True. Grounding Electrode System. Select one: a. 404. Bonding jumpers ensure a solid electrical connection between conductive parts. The sizing of an EGC depends on 250. 4) Electrical metallic tubing (EMT). Table 16 offers the code users a criteria for Summation of Grounding and Bonding. May 16, 2013 · From the service, the path continues in Part VI Equipment Grounding and Equipment Grounding Conductors. In addition, where the grounding electrode conductor is connected directly to the grounded service conductor bus, the main bonding jumper ensures that the Grounding and Bonding are connecting electrical equipment to the earth or ground. , A grounding When a ground fault occurs in a 208-volt, 1ph brach circuit, the fault current must travel through the __ to get back through the OCPD to cause it to open. ) are key to meeting the electrically continuous requirement. 2(C) for the 2017 NEC. Grounded vs. Grounded systems are equipped with a grounded conductor that is required per NEC Section 250- 23 (b) to be run to each service disconnecting means. Jul 24, 2023 · 2. The National Electrical Code defines ground as a “conducting connection, whether intentional or […] The conductor insulation shall be of a type that is suitable for the voltage, operating temperature, and location of use. 134 (B) is in order. Earth grounding: the intentional connection from a circuit conductor, usually the neutral, to a ground electrode placed in the earth. Grounding is the process of connecting something to the earth. The grounded conductor can be used as a current-carrying conductor to accommodate all neutral related loads. Grounding is the act of connecting the electrical system or equipment to the earth or a conductive object that extends the connection to the earth. Tests show that having a bare grounding conductor adjacent to the When a design calls for an isolated grounding receptacle and circuit to be installed in a patient care area, the branch circuit must not only meet the requirements for two equipment grounding conductors as called for in 517. C. The purpose of the NEC, If a conductive part is connected to ground or to a conductive body that extends a ground connection, it is ? . terminal identified by a white color d. False. A conducting element used to connect electrical systems and/or equipment to the earth. These two grounding systems are required to be kept separate except for a connection between the two systems. The grounded conductor, if insulated, shall have insulation that is (1) suitable, other than color, for any ungrounded conductor of the same circuit for systems of 1000 volts or less, or impedance grounded neutral systems of over 1000 volts, or (2) rated not less than 600 volts for solidly grounded The protective device is rated at 400 amperes. [ 29 CFR 1926. 11) Types of EGC can be wire type, rigid metal conduit, intermediate metal conduit, electrical metal tubing or part of metal-clad cable as discussed in section 250. 106(A) or where the mobile home is supplied by cord and plug. In fact, the U. The grounding system works by providing the fault or lightning-induced currents a low resistance return path instead of the high resistance of a touch/human body. Study with Quizlet and memorize flashcards containing terms like A ? is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). This is accomplished through a properly installed grounding electrode system. System grounding helps detect and clear ground faults. Where the equipment grounding conductor is a conduit, tubing, or other raceway, the fittings (locknuts, couplings, connectors, etc. Wire -type equipment grounding conductors installed in cable trays shall meet the minimum Mar 2, 2021 · The GEC does not serve the same purpose as the equipment grounding conductor. com/free-exam-prep-programPRO VERSION https://www. The IEEE Emerald Book recommends the use of equipment-grounding conductors in all circuits, not relying on a raceway system alone for equipment grounding. Bonding and grounding are two of the most essential electrical safety tasks pool owners must perform. mf pk az ks wb fw lf gz ke vv