When Do Electric Water Heaters/Hot Water Units Require a Lockable Isolation Switch and RCD? New definition, Heat Pumps not Like for Like with water Heaters! In 2018, the AS/NZS 3000:2018 Electrical Installation “wiring rules” introduced new requirements in Clause 4.8.2.3. For all new installations, an independent, lockable isolation switch must be installed for fixed wired […]
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