For flexible metal conduit, if flexibility is necessary after installation, unsecured lengths from the last point the raceway is securely fastened must not exceed _____ .
a) 3 ft for trade sizes 1/2 through 1 1/4
b) 4 ft for trade sizes 1 1/2 through 2
c) 5 ft for trade sizes 2 1/2 and larger
d) all of the above
See answer and applicable Code reference
The correct answer is: d) all of the above
The rules for securing and supporting Ty
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