Your switchboard is the crucial ingredient to supplying power to your property. It will house safety switches to protect circuits, network fuse for overload and short circuit protection, and the supply authorities meters for reading your energy consumption.
By law, all newly installed switchboards must have RCBOs (safety switch) installed for each circuit, and rental properties must have at l east 2 RCDs in place for protection against electric shock.
The electricity supply will first enter your energy meter which records the amount of electricity you use every quarterly. A service fuse will then provide protection to your switchboard, normally rated at 80 – 100 amps. From the service fuse, a link is provided to your main switch, this switch will always be the first circuit breaker on your switchboard, looking at it from the left. Your main switch will then feed electricity to each individual RCD/RCBO or ceramic fuse, if dealing with older switchboards.
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