Describe the two exceptions in NEC Section 690.13 that deal with disconnecting grounded connectors.
What will be an ideal response?
The two exceptions in NEC Section 690.13 are as follows:
• Exception No. 1 permits the grounded conductor to be disconnected if the switch or circuit breaker is part of a ground-fault or arc-fault detection system.
• Exception No. 2 permits the grounded conductor to be disconnected if the disconnect is used only for maintenance of the PV system, is accessible only by qualified people, and it is rated for the maximum DC voltage and current that could be present.
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Fill in the blank(s) with the appropriate word(s).