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What is a supplementary protector?

Supplementary Overcurrent Protective Device:
A device intended to provide limited overcurrent
protection for specific applications and utilization
equipment such as luminaries (lighting fixtures) and
appliances. This limited protection is in addition to the
protection provided in the required branch circuit by
the branch circuit overcurrent protective device.

Source--2005 NEC proposal

CTA-ID : 2009434
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