It sounds as though the OP is adding a flexible outlet drop. That would still need to meet NEC and thus be 10/3 wire. If the extended box contained the outlet directly and the 12/3 cord had plugs on both ends then this discussion would be moot.
Member
It sounds as though the OP is adding a flexible outlet drop. That would still need to meet NEC and thus be 10/3 wire. If the extended box contained the outlet directly and the 12/3 cord had plugs on both ends then this discussion would be moot.
Contributor
Where did you get that? OP said "12-3 flexible wire (black plastic shielded against abrasion, petrol, etc)". Sounds like SO, not NM.Originally Posted by Rollie Meyers
Member
NM or SO, doesn't matter. From the OPs two posts, it sounds like there is a junction box to which a cable (probably SO) will be hard wired to the branch circuit and exit via a cord grip to a female plug. The fact it is on the branch circuit dictates the wire size and breaker must match. As Ole mentioned a while back, the supply cord does not have to match the breaker for the outlet, but all the wiring in a branch must correspond to the breaker size.
Last edited by Anthony Whitesell; 01-15-2015 at 9:07 PM.
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