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Damage to a main service switch due to periodic overloading

Incident Investigation

Damage to a main service switch due to periodic overloading

August 25, 2021

Electrical

Reference Number:

II-1249163-2021 (#23871)



Location: Richmond

Regulated industry sector: Electrical - Low voltage electrical system (30V to 750V)

Incident overview

The main service switch in a commercial building was loaded to over 80 percent of its capacity, causing the internal components to overheat and melt.

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