tortuga Code Historian Location Oregon Occupation Electrical Design 7 minutes ago #21 don_resqcapt19 said: Conductors having the properties of TW are permitted, but not for NM-B Click to expand... My understanding is UL 719 section 8.1(b) indeed covers 'TW construction' in NM-B with the -B marking it has options 1 and 2.
don_resqcapt19 said: Conductors having the properties of TW are permitted, but not for NM-B Click to expand... My understanding is UL 719 section 8.1(b) indeed covers 'TW construction' in NM-B with the -B marking it has options 1 and 2.