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Low Voltage Relay Overheats, Causing Fire

Incident Investigation

Low Voltage Relay Overheats, Causing Fire

January 31, 2023

Electrical

Reference Number:

#II-1503013-2023 (#31232)



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

 

Incident Overview

A low voltage relay used to protect loads against voltage drops was installed in a baseboard heater junction box. The relay overheated, resulting in a small fire. The cause of the overheating condition was very likely due to the relay not being installed as per the manufacturer’s specifications.

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