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Description / Abstract:
This standard covers the requirements for electrical rigid steel
conduit for use as a raceway for wires or cables of an electrical
system. Finished conduit is produced in nominal 10 ft (3.05 m)
lengths, threaded on each end with one coupling attached. It is
protected on the exterior surface with a metallic zinc coating or
alternate corrosion protection coating (as specified in clauses
5.3.3, 6.2.4, 7.8, and 7.9 in UL 6) and on the interior surface
with a zinc or organic coating.
This standard also covers conduit couplings, elbows, nipples,
and conduit lengths other than 10 ft (3.05 m).
Properly assembled systems of conduit, couplings, elbows, and
nipples, manufactured in accordance with this standard, and other
identified fittings provide for the electrical continuity required
of an equipment grounding conductor.