An equipment grounding conductor can be any one or a combination of the following [250. com/individual-pricing Want to train your team in industrial automation? Go here: equipment grounding conductor. 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. Bonding is connecting things together with a conductive path to establish electrical continuity. 1: It is recognized that the equipment grounding conductor also performs bonding. main bonding jumper III. The bare copper grounding wires terminate in a grounding bar in your Want to learn about industrial automation? Go here: https://www. See full list on electrical-engineering-portal. Surge Protection Devices (SPD) (formerly called TVSS) 1. 20 (B) of the 2020 NEC alternating-current (AC) systems of 50 volts to 1000 volts must be grounded which means referenced to earth. 96 (B) and 250. The connection between the grounded circuit conductor and the equipment grounding conductor at the service. Appliances, Equipment, property and lives are protected against faults, leaks and Mar 16, 2023 · The primary purpose of electrical grounding is to protect people and equipment from electrical shock and damage. Bonding is defined as “the permanent joining Earth grounding: the intentional connection from a circuit conductor, usually the neutral, to a ground electrode placed in the earth. A copper, aluminum, or copper-clad aluminum conductor. The equipment grounding conductor installed in each raceway shall be sized in accordance with 250. 122. Aug 29, 2020 · An equipment grounding conductor performs three very important functions when it comes to the electrical safety system. The primary purpose of equipment grounding is safety. 146 (D) with isolated grounding of cord-and-plug-connected electronic equipment. Bonding is another important function EGCs perform. Mar 12, 2018 · The equipment-grounding conductor should not be used to complete this circuit under any circumstance. equipment grounding conductor II. Office of Safety and Health Administration reports that the most common safety violation is the improper grounding of equipment or circuits. 13(A). This is explained in National Jan 16, 2000 · The grounding of an electrical system and equipment is usually accomplished at the electrical service equipment of a building or structure. Apr 3, 2018 · Prevent shocks and electrocutions with an effective OSHA assured equipment grounding conductor program. One of the main reasons for grounding equipment is for the safety of users and equipment while maintaining strict adherence to regulations. The purpose of grounding is to protect people, equipment, and structures from the dangers of electrical shock and fire by. The role of grounding is to place a conductive object (equipment) at or as close to earth (ground) potential as possible. 5, shall not be smaller than 18 AWG copper and shall not be smaller than the circuit conductors. terminal identified by a green-colored finish, the words "green" or "ground," or the letters "G" or "GR," or a grounding symbol c. The 208 volt circuit originates in a 12-/208 volt, 3ph, 4wire service panelboard. (A) Insulation. Sep 12, 2023 · System grounding. 118 Types of Equipment Grounding Conductors. Resistance of the 500 kcmil copper conductor is 0. Equipment Grounding Conductors. The GFCI must be the first device plugged into a permanent receptacle. Figure 3 shows the first private pole with the secondary feeder conductors and no EGC. It creates a path for electricity to follow, bonds equipment together and keeps abnormal electrical events in check. 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. Without proper bonding and grounding, you and other pool users run the risk of electric shock when using your pool or equipment. Bonding Jumper, Main. I. 6 mm dia. 4 have mandatory application. When a conductive surface, like metal, is not grounded and becomes electrically energized, it can carry sufficient voltage to administer a fatal shock. 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. The cross section of the Aluminum cable tray side rails is 2 square inches. grounded c. 250. It provides a reference point for electrical voltages, allowing excess electricity to dissipate safely. Purpose of Earthing. The fundamental purpose of electrical grounding is to both protect personnel as well as property. True. [ 29 CFR 1926. keep all metal parts at the same voltage III. A conducting element used to connect electrical systems and/or equipment to the earth. Ground Symbols. The EGC is a # 3 AWG copper (NEC Table 250-95). 2: See 250. Bonding jumpers ensure a solid electrical connection between conductive parts. 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 Jul 16, 2013 · Selection of a bonding conductor size is governed by Rule 10-814 (1). 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. 0. 3 (B) and 250. 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. The terms bonding and grounding are often used together, and in many cases, they're used interchangeably. Proper installa The purpose of grounding d. An assured equipment grounding conductor program is an OSHA and NFPA 70E requirement that ensures the safety of temporary power cord sets (extension cords). 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. However, in most cases equipment that is grounded is also bonded by being connected together. , Which NEC table is used for sizing grounding electrode conductors and bonding jumpers between electrodes in the grounding electrode system?, A grounding electrode Yet, the importance of proper electrical grounding is often neglected. Sec. In 250. Electrical systems are earthed for three main purposes: 1. The system bonding jumper provides electrical conductivity between the grounded (neutral) conductor and the equipment grounding conductor. co 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. An electrical 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. 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. , 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. – Protecting the workers who regularly come in contact with electrical devices that might give them a shock. connecting a conductor to the Earth, which serves as a reference point for. Both are foundational safety concepts in the NEC, and often talked about in the same breath, but they . 2) Rigid metal conduit (RMC). This is in case a fault occurs in one of the phases. In this episode, we’ll explore Understanding equipment grounding – the basics. These conductors serve entirely different purposes, so it is understandable that their sizing requirements differ. 404. FPN No. This reduces the risk of electrical shock, electrocution, and fires caused by unexpected voltage spikes or short circuits. The following ground symbols are some that may be found in designs: Figure 9. 118 of the NEC. 2(A) and (B). 2 General. 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. 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. 5) Listed flexible metal conduit (FMC) where: a. The size of the conduit does not exceed metric designator 35 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. 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. Select one: a. terminal Summation of Grounding and Bonding. There is a distinct difference between grounding and bonding. Insulated conductors shall be distinguishable by appropriate color or other means as being grounded conductors, ungrounded conductors, or equipment grounding conductors. This conductor shall be solid or stranded; insulated, covered, or bare; and in the form of a wire or a busbar of any shape. Intermediate metal conduit. 40. Tests show that having a bare grounding conductor adjacent to the Sep 1, 2016 · Uses of Grounding. Equipment grounding provides a return path for ground-fault current. Prevents Damage from Power Surges; Electrical appliances can be vulnerable to power surges, which can happen during storms or other events. G. com 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. To develop an understanding of the requirements in 310. 8. According to 250. 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. Grounding is the process of creating a low-resistance path for electrical currents to flow into the ground. 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. For many applications, grounding electrodes provide the essential function of connecting the electrical system to the earth. Grounding of electrical equipment has two purposes: To ensure that persons in the area are not exposed to dangerous, electric-shock voltage. electrical potentials. If WYE Electric, Inc. 9. The conductivity of the cable tray aluminum is about 55 percent that of copper. A ground fault in the electrical system b. 1 and IEC 60417-5017). Wire -Type Equipment Grounding Conductors in Cable Trays. bonded b. guarded d. realpars. 3) Intermediate metal conduit (IMC). 118]: 1) A bare or insulated copper or aluminum conductor sized in accordance with 250. The GFCI must be tested before each use. An electrical grounding conductor is a metal wire, metal bar, or similar item that performs as a conductor 647. These two grounding systems are required to be kept separate except for a connection between the two systems. 5 mm 2 (2. 29CFR1926. brass colored screw terminal on the receptacle b. Grounding ensures that wherever you plug in your computer or television, you’ll get the Mar 1, 2000 · Grounded and equipment grounding conductors should never be interchanged. ”. (b) (1) Ground-fault protection –. For all their similarities, electrical bonding and grounding have several key differences; however, combining the two is a great defense against potential danger. System grounding also impacts the performance of electronic load equipment for reasons related 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. 1. 118 for a list of acceptable equipment grounding Jul 24, 2023 · 2. (b) (1) (i) General. 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. Grounding : Understanding the difference between “grounding” and “grounded” conductors is crucial; the former relates to earth A ? is an acceptable means of identification of the equipment grounding conductor terminal on a duplex receptacle. The National Electrical Code defines ground as a “conducting connection, whether intentional or […] 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. , A grounding Nov 27, 2023 · Electrical grounding is a fundamental aspect of ensuring safety and proper functioning within electrical systems. Equipment grounding: ensures that operating equipment within a structure is properly grounded. providing a safe path for electrical current to flow to the Earth. Section 250. Rigid metal conduit. 50 requires all grounding electrodes that are present at each The equipment grounding conductor in a flexible cord with the largest circuit conductor 5. A metal rod or pipe used as a grounding electrode. . In addition, where the grounding electrode conductor is connected directly to the grounded service conductor bus, the main bonding jumper ensures that the 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. Code Change Summary: A new exception now allows an equipment grounding conductor to also serve as a grounding electrode conductor under certain circumstances. The National Electrical Code (NEC) defines grounding as “connecting to earth or to some conducting body that serves in place of the earth. 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 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. 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. For our typical AC electrical system, the purpose of the “ Main Bonding Jumper ” is to connect the equipment grounding conductors (E. In a properly grounded system, a fault in equipment returns the current to the breaker panel via the equipment grounding conductor. Foundations and footings that are not in direct contact with the earth qualify as grounding electrodes. The sizing of an EGC depends on 250. 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). 122 (F), a brief review of the rules in 300. Utility grounded conductor Mar 2, 2021 · The GEC does not serve the same purpose as the equipment grounding conductor. 2(C Bonding and grounding are two of the most essential electrical safety tasks pool owners must perform. The conductor insulation shall be of a type that is suitable for the voltage, operating temperature, and location of use. In fact, the U. 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. is required to use an Assured Equipment Grounding Conductor Nov 28, 2022 · 10) Exposed metal parts of fixed equipment likely to become energized must be connected to the circuit equipment grounding conductor. The latest attempt to eliminate this intentionally introduced current onto the equipment grounding conductor resulted in further revisions to 404. 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 Grounding in electrical engineering refers to the process of. To keep the voltage of the device constant in the healthy phase. Where the equipment grounding conductor is a conduit, tubing, or other raceway, the fittings (locknuts, couplings, connectors, etc. 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. 2 (D A(n) ? is defined as a reliable conductor that ensures continuity and conductivity between metal parts required to be electrically connected. General ground symbol, or earth ground (IEEE Std 315-1975 section 3. [1] The choice of earthing system can affect the safety and electromagnetic compatibility of the installation. This is accomplished through a properly installed grounding electrode system. A proper grounding system can help protect individuals 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. Tools, appliances, lights and electronics need specific voltages to operate correctly and safely, and system grounding stabilizes these voltages. ) contained in each branch-circuit and the metal (conductive) service-disconnect enclosure to the Neutral Conductor of the electrical service. In standard sheathed NM cable, this bare copper wire is included along with the insulated conducting wires inside the cable. Feb 5, 2019 · By: Jerry Durham | Feb 05, 2019. Grounding and Bonding are connecting electrical equipment to the earth or ground. 122 based on the rating of the overcurrent protective device for the feeder or branch circuit. 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 Sep 27, 2021 · Grounding is the very foundation of a building or structure’s electrical system. Safety is basically governed by the electrical codes and standards as adopted by government agencies and commercial entities. The grounded conductor can be used as a current-carrying conductor to accommodate all neutral related loads. 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 . 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. Regardless of industry, the most important goal of grounding is to keep operators, users, and equipment safe. a. 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. Grounding Resistors. 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. 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. 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 ? . The IEEE Emerald Book recommends the use of equipment-grounding conductors in all circuits, not relying on a raceway system alone for equipment grounding. 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. 24 (A) (4), 250. Grounding the electrical system provides a safe path for excess electricity to flow into the earth, protecting your appliances from damage. Grounding is not done in order to clear ground-faults. 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. This current will produce losses and heating and will reduce the maximum current rating of the circuit. 24 (B). The equipment grounding conductor connected to the grounding Welcome to the GE Intelligent Platforms Solution Video Series. Ground rod. May 16, 2000 · Grounding electrode. 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. Grounding Electrode System. 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. [See figure 1] General. 134 (B) is in order. Apr 22, 2020 · When it comes to electrical grounding, many strategies are employed to accomplish different tasks. 2(C) for the 2017 NEC. cause the quick operation of OCPDs II. 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 Mar 14, 2017 · The bonding conductor is to be extended from the equipotential bonding grid to an accessible location near the motor. 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 Grounding is the process of connecting something to the earth. Jun 2, 2016 · Grounding your electrical systems is critical to protect both building occupants and equipment from the danger of high voltage. Ground (electricity) A typical earthing electrode (left of gray pipe), consisting of a conductive rod driven into the ground, at a home in Australia. 28, and 408. Grounded vs. com/free-exam-prep-programPRO VERSION https://www. Wire -type equipment grounding conductors installed in cable trays shall meet the minimum 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). It helps to direct electrical current away from sensitive components and channels it safely into the ground. 146(D) in addition to the equipment grounding conductor path required in 517. terminal identified by a white color d. Grounded conductors shall comply with 2. ) Solidly grounded [100]. Each serves a different purpose. Instead of using GFCI's, the employer can develop and implement an assured grounding program for equipment used in their facilities. 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. False When grounding is accomplished through a resistor, an impedance device, or a surge arrester, the grounding is considered to be solid. protected, Which of the following best defines the word ground? Select one: a. The circuit conductors contained in the conduit are protected by overcurrent devices rated at 20 amperes or less. The earth is considered to be at zero potential. Apr 10, 2020 · The ground is a poor conductor but good enough for this purpose. Table 16 offers the code users a criteria for The continuity test ensures that the equipment grounding conductor is electrically continuous. S. 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. Bonding is the process of connecting metal parts of electrical equipment to ensure that they are at the same electrical potential. Ground. 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 Feb 19, 2014 · A. System grounding helps detect and clear ground faults. Jul 21, 2017 · Bonding and grounding requirements overlap somewhat, but they all have a common interest – that of preventing electrical shocks and electrical fires. Your house wiring is an electrical system, connected to ground at your electrical panel. It can also be used as an equipment grounding conductor to clear ground faults per NEC The NEC defines equipment bonding jumpers as the connection between two or more portions of the equipment grounding conductor. This is typically achieved through the use of grounding electrodes, which are conductive rods or plates that are buried in the earth. is required to be 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. 4 and 250. The protective device is rated at 400 amperes. Electrical grounding also reduces the risk of voltage fluctuations and electrical noise, which can interfere with the proper 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. One of the first changes was in response to the indication that 404. 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. Isolated grounding of permanently installed electronic equipment is dealt with in 250. The main purpose of grounding is to protect people, equipment, and buildings from electrical hazards. The earth or a conducting connection to the earth. 106(A) or where the mobile home is supplied by cord and plug. 13, but must include a third insulated equipment grounding conductor that meets the rules in 250. A fault on the line side of the panel uses the 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. (For more details, see 250. The EGC limits voltages above ground potential on conductors and equipment enclosures during normal operation and conditions such as ground faults or short circuits. 8 and 250. 146 (D) and 406. 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. electricalexamcoach. 3 (C). 0258 ohms/k FT. (5) Listed flexible metal conduit meeting all the following conditions: The conduit is terminated in listed fittings. – In electric traction systems as well as in communication systems, grounding works as a return The 5 Ways Electrical Grounding Protects You and Your Equipment. 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. 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 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) Electrical metallic tubing (EMT). Jan 16, 2007 · Where equipment grounding conductors are installed with paralleled feeder conductors, the requirements in 310. Electrical installations. 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. 3 General. 122 Jun 1, 2015 · Equipment grounding is a very important aspect of the electrical system. To provide current-carrying capability that can accept ground-fault current without creating a fire or explosive hazard. Lightning Protection System. C. limit voltage surges, A metal enclosure surrounding electrically operated equipment ___. In both cases, a separate insulated, isolated equipment-grounding conductor can be installed from the equipment (a nonmetallic bushing isolates the metal raceway The purpose of a grounding electrode is to function as the connection between the ground (earth) and grounded electrical systems and electrical equipment. ) or smaller, and the equipment grounding conductor used with fixture wires of any size in accordance with 2. False. ) are key to meeting the electrically continuous requirement. The intentional electrical connection of one system terminal to the equipment The purpose of the system grounding [3] is for electrical safety of personnel and equipment as well as fire safety reasons. Grounding has a key role in the correct operation of the electrical systems, either power or electronics, as well as protecting people. Figure 3. The requirements in these sections call for all conductors of 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. May 16, 2013 · From the service, the path continues in Part VI Equipment Grounding and Equipment Grounding Conductors. 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 Aug 7, 2020 · Equipment Grounding Basics. 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 ___. 148(A) through (D) (A) Connections and Splices. Having a strong grounding electrode 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. 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). The purpose of bonding is to establish an effective path for fault current that, in turn, facilitates the operation of the overcurrent protective device. mx kd kq fg zy he if lf sq ro