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 4-074 Disconnecting devices

Disconnecting devices such as switches, breakers and overcurrent relays must be capable of safely breaking the arc when the contacts are opened. Paragraph (2) specifies the order in which load break and non-load break switches are to be opened and closed.