Insulation | Extruded PVC, 30 mils minimum average thickness.
Color coded by helical stripe and/or insulation color as follows: black, white, red, green, orange, blue, white-black, red-black, green-black, orange-black, blue-black, black-white, red-white, green-white, blue-white, black-red (NEMA color code). Lay 6.25 inches maximum. |