14 gauge wire off of 12 gauge wire
#1
02-06-13, 06:38 PM
Join Date: Feb 2013
Location: USA
Posts: 2
14 gauge wire off of 12 gauge wire
Is it okay to transfer from 12 gauge wire to 14 gauge wire in a junction box if the 12 gauge wire is run off of 15 amp circuit? My understanding is that the 14 gauge wire can handle the full load a 15 amp breaker can put on it so switching from 12 to 14 should have no impact.
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#2
02-06-13, 06:42 PM
Group Moderator
Join Date: Nov 2007
Location: Twin Cities, MN
Posts: 12,288
Yes. As long as the overcurrent device (fuse or circuit breaker) is sized to the smallest wire, in your case #14 wire/15 amp) it is fine to use a larger sized wire in the circuit.
#5
02-07-13, 12:51 PM
Member
Join Date: Dec 2010
Location: Cressona, Pa, USA
Posts: 2,546
If you plan on doing this, label the conductor indicating there is #14 on the circuit.
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