no, 20mm cannot be assumed as being suitable, the size must be calculated from the loads and number of circuits installed.
Bugger. I'll get reading.
Because I am a glutton for punishment I was going to run one ring per room, so I can have "living room, sockets", "kitchen, sockets" in the CU.
Madness?
@Dammit started
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Bugger. I'll get reading.
Because I am a glutton for punishment I was going to run one ring per room, so I can have "living room, sockets", "kitchen, sockets" in the CU.
Madness?