Copper Building Wire Type THHNTHWN 21 PDF
Copper Building Wire Type THHNTHWN 21 PDF
Copper Building Wire Type THHNTHWN 21 PDF
Nylon
Copper
Conductor
Application
Ideal for cable tray installation, wire ways, open
wiring, conduits, service entrance, feeders, and
branch circuits for permanent installations.
Suitable for power and lighting installations in
Lead-Free PVC residential, commercial, and industrial
(UL-Listed)
establishments.
Temperature rating not to exceed:
Detailed Description or Construction • THHN/THWN: 90°C dry and damp, 600V
• THHN/THWN: 75°C wet or in oil, 600V
Conductor • THWN-2: 90°C dry, wet or in oil, 600V
Annealed copper, solid or stranded
sizes 2.0mm² up to 500mm²
Insulation
Premium grade flame retardant, lead-free, UL-listed
polyvinyl chloride
Features
Jacket • CT-rated lead-free THHN/THWN cables are
Tough Polyamide (Nylon) insulated with special PVC formulation that
makes it more flame retardant than ordinary
THHN cables.
• More tolerant to heat with its better flame -
Standards / Testing Specifications retardant PVC.
THHN/THWN-2 conforms to the following standards: • The insulation is made of materials that do
• UL 83 for Thermoplastic Insulated Wires and not contain lead as stabilizer making it
Cables (THHN/THWN-2) "environment friendly".
• UL 758 for Appliance Wiring Materials (AWM) • The nylon jacket offers mechanical
• UL 1063 for Machine Tool Wire (MTW) (stranded protection and resistance to petroleum by-
conductors only) products, chemical reagents, and oils. It is
• PNS 35 Thermoplastic Insulated Copper Wires also abrasion-resistant, allows higher gliding
and Cables 600 Volts and greater ease in installation.
• Available in black, white, red, blue, green,
and yellow colors. Other colors available
upon request.