Document VJ5JxZdbNeMpDOQ2oJjbJ5w8Z
UNDERWRITERS LABORATORIES INC.
Sub j. 758 Voi.
Section 5
Page
This Pace Effective
FACTORY INSPECTION PROCEDURE
5C75 - issued: Jan. 28, 1966 " Revised: Nov. 19, 1S81
Style 5076
Asbestos - Insulated Wire for Heating Appliances.
Rating Conductor
Insulation
Tapes
150 C or 200 C, 300 V.
Wo, 24-14 AWG stranded or solid nickel, monel, copper silver coated copper, nickel-clad copper,
or nickel-clad iron. Strands shall be not smaller
than 36 AWG {for wires rated 200 C, bare copper
strands shall not be smaller than 2$ AifS) and all
strands shall be of the same size. Pages 20, and 26. '
4_______________________________________________________________________________________________________________________________________________________________________________________________ *^
Class A asbestos, 30 mils min average 27 mils min
thickness at any point, or Class _A asbestos 25
v?-
mils min average plus Glass braid 5 mils min average
with total of the two 30 mils, 27 nils min thickness
at any point.
Optional - Cellulose acetate polyester (oriented polyethylene terephthalate) or TFE, "Teflon" tape applied between two layer of asbestos: each layer measuring approx half the total thickness of the asbestos insulation.
..
or '
Optional - A layer of TFE, cellulose acetate,, or
oolvester taoe aooliec next to the conductor.
Covering
Optional - Silicone Varnished glass braid or treated
glass braid.
*
Standard
Wires with asbestos or asbestos and varnished cloth or tape insulation (UL 115).
Instructions to
Inspector
Detailed examination. Flame-Retardant Properties Test.
Northbrook
(4) Detailed examination.
Counter-Check (4) Flexibility, Page 43.
Program
(4) Flamer-Retardant Properties Test.
(2) Dielectric Strength Test.
Marking
General, Page 13.
.
Temperature-marker, Pages IS, 19, 20.
Use
Internal Wiring
SC-ELEC-04180