Electrical Services, Part 4

Do a thorough job of determining what load a service is going to supply.

Current-carrying service conductors must be:

  • At least 8 AWG if copper, 6 AWG if aluminum [230.23(B)].
  • Of sufficient ampacity to carry the load as calculated per Article 220 [230.23(A)].
  • Of adequate mechanical strength [230.23(A)].

That last requirement seems redundant. If you’re using conductors of sufficient ampacity and permissible type, they will have adequate mechanical strength.

Important: Do a thoro

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