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Free fitting threads insure easy assemblyPermits conduit coupling without rotating either conduitProvides rigid in-line coupling with high quality grounding will not loosen under vibrationSuitable for concretetight applicationCapable of carrying ground fault currents up to 10000 A RMS (1/2 in through 1-1/2 in size) and up to 20000 A RMS (2 in and above) (duration of fault current 3 cycles)1/2 in through 6 in conduit range
T&B® 676AL Threaded Erickson Coupling, 3/4 in, For Use With IMC/Rigid Conduits, Aluminum