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Code Q&A

Oct 9, 2008 11:16 AM, By Mike Holt

Q. Our utility requires a nonfused disconnect upstream of the meter and service disconnect for certain services. Is this legal?

A. Yes, meter disconnect switches that have a short-circuit current rating (SCCR) equal to or more than the available short-circuit current can be installed ahead of the service disconnecting means. A meter disconnect switch must be capable of interrupting the load served [230.82(3)]. Electric utilities often require a meter disconnect switch for 277/480V services to enhance safety for utility personnel when they install or remove a meter.

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