Don, the 1981 Code has 230-40 but it is Insulation of Service-Entrance Conductors. In the 1984 Code, the proposal would be addressed as 230-XX (NEW) in the TCR. After it was accepted, it was inserted ahead of Insulation of Service-Entrance Conductors and became Number of Service-Entrance Conductor Sets. [Linked Image]

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Charlie Eldridge, Indianapolis, Utility Power Guy

Charlie Eldridge, Indianapolis Utility Power Guy