Cause & Consequence
- Electricity, electrical discharge, short circuit or overload
- Control of work
Description of Process
Maintenance on emergency lighting
Description of Incident
Whilst carrying out maintenance on a Victor Excalibur (VL24E) c/w battery management feature, an electrical technician received a minor electrical shock from a battery indication LED fitted on the gear housing cover. The electrician had been re-lamping the fitting, he was re-attaching the removable envelope of the light fitting when his hand touched the casing of one of the battery indication LEDs fitted on the gear housing cover. It was from this LED casing that he received a shock. Upon investigation the technician found that the LED casing was live at 254Vac with respect to Earth. At this point he adopted correct procedure and applied isolation to the circuit concerned.
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Good Practice Guidance
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