IMC Support Requirements

Trade size 1 IMC shall be supported at intervals not exceeding _____.

a) 8 ft
b) 10 ft
c) 12 ft
d) 14 ft

See answer and applicable Code reference

The correct answer is: b) 10 ft

Article 342 covers the use, installation, and construction specifications for intermediate metal conduit (IMC) and associated fittings. IMC shall be supported by one of the four requirements in 342.30(B). As per 342.30(B)(1), "Conduit shall be supported at intervals not exceeding 10 ft."

 

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