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(B) Method of Bonding at the Service
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Bonding jumpers meeting the requirements of this article shall be used around impaired connections, such as reducing washers or oversized, concentric, or eccentric knockouts. Standard locknuts or bushings shall not be the only means for the bonding required by this section but shall be permitted to be installed to make a mechanical connection of the raceway(s).
- Bonding equipment to the grounded service conductor in a manner provided in 250.8
- Connections using threaded couplings or listed threaded hubs on enclosures if made up wrenchtight
- Threadless couplings and connectors if made up tight for metal raceways and metal-clad cables
- Other listed devices, such as bonding-type locknuts, bushings, or bushings with bonding jumpers
Related Code Sections
(B) Wiring and Protection, Method of Bonding at the Service
enclosures shall be ensured by one of the following methods: Bonding equipment to the grounded service conductor in a manner provided in 250.8 ...
National Electrical Code 2020 of Minnesota > 2 Wiring and Protection > 250 Grounding and Bonding > 250.92 Services > (B) Method of Bonding at the Service