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29 de nov. de 2022 · Main bonding jumper and system bonding jumper. Image used courtesy of Lorenzo Mari . Section 250.28(A). The materials permitted for the main and system bonding jumpers are copper, aluminum, copper-clad aluminum, or other corrosion-resistant substances. They may be a wire, bus, screw, or similar conductor. Section 250.28(B).
13 de ene. de 2020 · 250.102 Bonding Jumper, Supply Side – https://www.MikeHolt.com/bonding. There are basic rules for supply-side bonding jumpers, find out just what those rules...
1 de mar. de 2008 · The system bonding jumper is a conductor, screw, or strap that bonds the metal parts of an SDS to the system neutral point [250.2]. The system bonding jumper provides a low-impedance fault current path to the power supply to facilitate the clearing of a ground fault by opening the circuit overcurrent device. During a ground fault, metal parts ...
7 de nov. de 2022 · Bonding jumper inside a nonmetallic raceway. Image used courtesy of Lorenzo Mari . Part I of Article 250. General. Section 250.1. This section explains that Article 250 focuses on general grounding and bonding electrical installation requirements, including: The grounding of systems, circuits, and equipment. Which circuit conductor must be ...
In the 2020 NEC ®, the definition of a main bonding jumper (MBJ) was revised to clarify that the MBJ connects the grounded circuit conductor to the equipment grounding conductor, or the supply-side bonding jumper, or both, at the service. Previously the definition did not mention the supply-side bonding jumper which is also bonded to the ...
28 de jul. de 2011 · Code Basics. Grounding and Bonding — Part 2 of 3. July 28, 2011. 2011 NEC revisions for bonding and grounding. One of the revisions to the 2011 NEC involves a new definition for a common term: bonding jumper, supply-side. A supply side bonding jumper is a conductor on the supply side or within a service or separately derived system to ensure ...
1 de nov. de 1998 · The main bonding jumper completes the ground-fault return circuit from the equipment through the service to the source as is illustrated in Figure 5-4. 3. Connecting the grounded service conductor to the grounding electrode conductor. Under certain conditions given in Section 250-24 (a) (4), it is permitted to connect the grounding electrode ...
