Construction
Conductor:
THHN: stranded, uncoated copper conductors per ASTM-B3, ASTM-B787
and ASTM-B8
• MTW: bare, annealed copper per ASTM-B3, -B8 and -B787
Insulation:
Color coded polyvinyl chloride (PVC), heat, moisture and flame retardant compound
per UL 83 and UL 1063.
Covering:
A tough abrasion resistant polyamide (Nylon) covering.
Specifications
THHN / THWN-2 or MTW meets or exceeds all applicable ASTM specifications
UL 83: Thermoplastic-Insulated Wires and Cables
UL 1063: Machine-Tool Wires and Cables (stranded cables only)
NEMA WC70 / ICEA S-95-658: Power Cables Rated 2000V or Less for the Distribution of Electrical Energy
Federal Specification A-A-59544 and requirements of the NEC
CSA C22.2 No. 75-03Â Thermoplastic Insulated Wires and Cables
Ratings
VW-1 rated 14 AWG - 1 AWG
1/0 AWG and larger is rated for CT (cable tray) use.
6 AWG and larger is rated for sunlight resistance in all colors. All sizes are rated "gasoline and oil resistant II."
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Construction
Conductor:
THHN: stranded, uncoated copper conductors per ASTM-B3, ASTM-B787
and ASTM-B8
• MTW: bare, annealed copper per ASTM-B3, -B8 and -B787
Insulation:
Color coded polyvinyl chloride (PVC), heat, moisture and flame retardant compound
per UL 83 and UL 1063.
Covering:
A tough abrasion resistant polyamide (Nylon) covering.
Specifications
THHN / THWN-2 or MTW meets or exceeds all applicable ASTM specifications
UL 83: Thermoplastic-Insulated Wires and Cables
UL 1063: Machine-Tool Wires and Cables (stranded cables only)
NEMA WC70 / ICEA S-95-658: Power Cables Rated 2000V or Less for the Distribution of Electrical Energy
Federal Specification A-A-59544 and requirements of the NEC
CSA C22.2 No. 75-03Â Thermoplastic Insulated Wires and Cables
Ratings
VW-1 rated 14 AWG - 1 AWG
1/0 AWG and larger is rated for CT (cable tray) use.
6 AWG and larger is rated for sunlight resistance in all colors. All sizes are rated "gasoline and oil resistant II."
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