60 or 80 deg C, 30 Vac, Cable flame for Construction A, Horizontal flame for Construction B.
Conductor
40 AWG minimum.
Insulation
Labeled or complying with Manufacture's AWM Procedure.
Assembly
Consists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
Shield
Required.
Covering
Optional. A 6 mil or heavier PVC covering may be extruded over the conductor assembly.
Jacket
FRPE.
Construction A External Use
Construction B Internal Use
Dia of cable under jacket
Minimum average
Minimum at any point
Minimum average
Minimum at any point
0.350 inch or less
20 mils
17 mils
15 mils
12 mils
0.351-0.700 inch
30 mils
24 mils
30 mils
24 mils
0.701-1.000 inch
40 mils
36 mils
40 mils
36 mils
1.001-1.500 inch
54 mils
48 mils
54 mils
48 mils
Standard
Appliance Wiring Material UL 758.
Marking
General.
Use
Construction A: Internal wiring or external interconnection of electronic equipment in Class 2 circuits only. Construction B: Internal wiring of electronic equipment in Class 2 circuits only.
