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- November 2019

Main switches & surge protection

Main Switches

An important consideration is that of main switches. These are invaluable in protecting the installer when working on circuits within an installation, that ability to lock off is so important. To that end, a main switch must be manually operated in a single mechanical action using a knob, lever or push-button or the like. Electronic touch screens, programmable control systems or the like shall not be used as a means of operating main switches.

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Surge Protective Devices

Please note that a recent update to the AS/NZS 3000:2018 Wiring Rules – Surge Protection appendix was undertaken by experts in the field of protection against the effects of lightning strikes. Up-to-date information has been added into this appendix to enable best practice installation of Surge Protection devices.

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