Hammer Drill Strikes and Damages Cable

Incident Investigation

Hammer Drill Strikes and Damages Cable

June 5, 2023


Reference Number:

II-1563089-2023 (#36114)

Location: Lake Cowichan, BC
Regulated industry sector: Electrical – Low Voltage Electrical System (30V to 1000V)


Incident Overview

A worker was drilling holes into existing foundation wall to install rebar. When drilling, the hammer drill penetrated a conduit and struck a concealed consumer service cable, causing an arc and spark. The installation of the cable was code compliant.

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