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Unread 20-02-2016, 11:23
rich2202 rich2202 is offline
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Wire Size for Protected Circuit

We are powering 2 spike relays off one wago connection. the wago port has a 40 amp breaker, so per R49, we are using 12 AWG wire.

The Spikes will have 10 amp breakers. So, off the Spikes can we use 18 AWG wire, or does the entire circuit off the 40 amp wago have to be 12 AWG wire?

We are using the 40 amp wago because we ran out of connections on the smaller breakers, and the only size large breaker we have is 40 amps.