OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 40 Utility Workers – Electrical

Explanation of Rules Referenced from the ECUC, Second Edition

Rule 4-188 Barehand techniques

Leakage current must be continuously monitored to ensure that the insulating ladders and aerial devices being used provide adequate levels of insulation protection. Leakage current levels serve as a measure of potential flashover.

Shielding and bonding techniques must be used to limit the potential difference between surfaces that a worker can contact while working. Shielding and bonding techniques limit the possibility of workers being subjected to an electric shock event by keeping them at the same potential as the line voltage.

The employer is required to have specific instructions covering shielding and bonding in the employer’s operating procedures. As required by section 8 of the OHS Regulation, the procedures must be in writing and available to workers at the work site affected by the procedures.

Areas where workers may be subjected to hazardous potential differences must be roped off or guarded to prevent workers from contacting surfaces that could be dangerous.