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Red Seal Construction Electrician

Category - Construction Electrician

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What is the maximum spacing permitted between supports for trade size 21 rigid metal conduit?

3m
2m
1.5m
0.9m

Explanation

Answer: C. Explanation: CEC 2021 12-1010 1) All rigid metal conduit of one size shall be securely attached to hangers or to a solid surface with the maximum spacings of the points of support not greater than 1.5 m for 16 and 21 trade size conduit.

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