NEC 2026 Compatible
A service entrance mast is installed on a building. What is the minimum size of conduit required for the service mast, if the service conductors are No. 3/0 AWG copper, according to CEC Table D1?
Master Level📋 CEC Table D1, Chapter 9Service Entrance
A
32 mm (1 1/4 in.)
B
38 mm (1 1/2 in.)
C
53 mm (2 in.)
D
63 mm (2 1/2 in.)
Explanation & Direct Citation
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