Aerial Lift Electrical Relay Smoking

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Type:  Just-In-Time Report

Publisher:  Bechtel - DOE Contracts, Hanford Waste Treatment Plant - WTP/WTCC (Various Locations)

Published As:  Public


Topics:  Electrical, Vehicle Safety, Occupational Safety and Health, Maintenance

While operating an electrically powered aerial lift at the Waste Treatment Plant (WTP) Construction site a WTP worker noticed smoke coming from beneath the chassis cover. The worker safely descended to the ground and shut off the main power. Subsequent investigation revealed a melted electrical relay caused by attempting to operate the lift while still plugged into the charger.

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