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 4-104 Blocking reclosing devices

Subrules 4-104(1) and 4-104(2)

Blocking a reclosing device makes the device inoperable, preventing electrical equipment or lines from being energized after a fault. Reclosing allows lines to be energized after a temporary fault to minimize customer service interruptions.

If rendered inoperable, the reclosing device must be tagged and although it is not explicitly stated in this rule, it is understood that the tag will bear the information required by rule 4-084. If the automatic reclosing device is operated remotely, it must be appropriately controlled to prevent reclosing.