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Type and designation

Scope

This specification covers multiconductor shielded cables having VW-1 TFFN or THHN/THWN (PVC/Nylon) conductors, and an overall gas/vapor-tight polyvinyl chloride (PVC) jacket; conforming to Article 318 "Cable Trays" and Article 340 "Power and Control Cable Type TC" of the 2008 National Electrical Code, and Standard 1277 of Underwriters Laboratories, Inc. They meet the requirements Rated 600 volts, 90°C dry and 75°C wet. They also meet the CSA FT4 flame test.

APPLICATIONS:

UL listed and OSHA acceptable. Recognized for use in Class 1 or 2, Division 2 hazardous locations and for installation in trays, wireways, troughs, channels, ducts and conduit. Specifically approved for direct burial, wet or dry locations and outdoors in cable trays where a sunlight resistant rating is required. Designed for control, power, lighting, telemetering, signals and relay or traffic control where shielding against external interference is required.

CONSTRUCTION:

CONDUCTORS

Bare, soft annealed copper per ASTM B-3

Sizes 18 and 1000 kcmil (TFFN/THHN/THWN/THWN-2)

UL66 UL83

INSULATION:

High dielectric polyvinyl chloride

UL-1581 table 50.145 (THWN 75°C)

UL-1581 table 50.155 (THHN 90°C)

UL-1581 table 50.155 Class 12B (TFFN 90°C)

CABLING:

Two or more conductors are assembled round with fillers as needed. A tape binder is applied over assembly.

OVERALL JACKET:

Gas/vapor-tight Polyvinyl Chloride (black) - UL 1277 table 10.1

Thickness – UL1277