A main or isolating switch shall be installed on the switchboard in the outbuilding to control the electrical installation in the outbuilding.
Wiring rules 2.3.4.1 (b) (i)
Identification - Sub Board Main Switch/Main Isolator
A main or isolating switch shall be installed on the switchboard in the outbuilding to control the electrical installation in the outbuilding.
Jason Bright
Updated 19 August 2026
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