OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 36 Mining

Section 614 Electric detonators

Leg wires must be shunted to avoid any possible initiation of the detonator from electrical sources such as static electricity, electrical storms, electrical wires/cables or similar energy sources. The wires are disconnected only before being connected to the blasting circuit. Leg wires must be kept coiled as they are more susceptible to electromagnetic fields if they are extended like an antenna.