标准规定,1672有覆层.Covering Extruded PVC or XLPVC. 5 mils minimum thickness at any point, 40 mils maximum thickness.
Subj.758 Section 1 Page 1672 Issued:1975-10-24
Revised:2013-02-27
Style 1672 Single Conctor Cable with Extruded Non-Integral Covering
Rating 105 deg C, 300 Vac, Horizontal flame.
Insulated Conctor Labeled or complying with manufacturer&39;s AWM Procere.
Covering Extruded PVC or XLPVC. 5 mils minimum thickness at any point, 40 mils maximum thickness.