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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    Service Entrance Practice Question: CEC Table D1, Chapter 9 | SparkShift | SparkShift