National Electrical Installation Standards

Standards as High as Your Own

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Monday, September 10, 2018

Question:

Re: CQD answers published August 9, 21, 29, & 30, 2018 -Service Equipment 5

One more response to the Wednesday, August 29, 2018 Q&A if you want to continue this discussion. It is interesting to note that the installation of an electric utility's meter does not service equipment make. The meter location normally constitutes the service point and if it located remote from the service, the meter installation may be looked upon as a "wide place in the conduit." In other words, a service disconnecting means and overcurrent protection is not required so three wires are all that is required to the service in the case of a 120/240V, 1Ø installation.

Take care, Charlie Eldridge | Consultant

A

Answer:

Hey Charlie thanks for your comment, it's always good to hear from you. You make a good point that wasn't specifically stated. The utility meter location does not necessarily determine the service point. For a 120/240 single phase service three conductors can be installed TO the service equipment. A wise inspector once stated that a key word in the definition of Service equipment is "intended". The circuit breaker of fused switch that is intended to be the main control and cutoff of the supply is the service equipment. Conductors on the load side ate typically feeders. Hopefully that will end the discussion for a while.

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