WebRecently, i witnessed an electrical inspector and a group of electricians discussing the effectiveness of the bonding and grounding path where raceway fittings are used to connect raceways to threaded hubs, threaded bosses or conduit bodies. Although this is a fairly common practice in the field, the discussion revealed varied opinions on the ... WebJul 5, 2024 · Even one of the people who’s on Mike’s DVD team suggests that when applying 250.92, that Myers hubs (trade name most of use for these conduit hubs that have a UL listing) don’t satisfy the requirement for listed hubs and thus you still need either need a bonding locknut or grounding bushing.
Conduit Hubs and Service Equipment - UL Solutions …
WebWith solid brass hubs. For rigid conduit. Learn More Grounding Locknuts For rigid conduit. Zinc die-cast. Learn More Ground Rod Clamps Conductor range 8 solid - 2 stranded. Approved for direct burial. Solid brass alloy with bronze screw. Learn More Insulated Metal Grounding Bushings Threaded. With dual rated CU-AL C-clamp grounding lug. WebJun 10, 2016 · The Myers hubs are there to allow entry into the Ex "e" enclosure, which is probably some kind of sheet metal box, and to have something for your cable glands to screw into to allow the cable entry into the enclosure. student should have part time job
Threaded Grounding and Bonding Hub, Zinc Die Cast, Size 2.5 Inch ...
WebAppleton Group Home Page Emerson US WebDec 5, 2024 · The other end of your raceway terminates on another enclosure with proper electrical continuity to the raceway. Except where needed for GEC performance. You … WebApr 6, 2012 · reliable bonding connection, the following methods shall be permitted: (1) Threadless couplings and connectors for cables with metal sheaths (2) Two locknuts, on rigid metal conduit or intermediate metal conduit, one inside and one outside of boxes and cabinets (3) Fittings with shoulders that seat firmly against the box student spech memorandum of law