T Towzzer Member Sep 2, 2005 #1 THHN isn't rated or allowed by the NEC to be used in pvc/rigid underground right? THWN is required I say this because I just realized that both home depot and lowes only carry THHN
THHN isn't rated or allowed by the NEC to be used in pvc/rigid underground right? THWN is required I say this because I just realized that both home depot and lowes only carry THHN
M macmikeman Senior Member Location Planet macmikeman Sep 2, 2005 #2 Re: THHN - PVC underground Thhn is mostly dual rated thwn also. Get ahold of a length and read the label on the wire, or else the label on the spool. You will see thwn on the print.
Re: THHN - PVC underground Thhn is mostly dual rated thwn also. Get ahold of a length and read the label on the wire, or else the label on the spool. You will see thwn on the print.
