250 MCM THHN/THWN-2 Building Wire

Cut to length - sold by the foot. Enter the desired footage in the QTY box.
Minimum 1' to maximum 1000'. Please call for longer put ups.

Color:
Black

Applications:
Type THHN/THWN-2 building wire is intended for general purpose applications as defined by the National Electrical Code (NEC). Type THHN-THWN-2 is permitted for new construction or rewiring for 600-volt applications. Applications requiring Type THHN or THWN-2, the conductor is appropriate for use in wet or dry locations at temperatures not to exceed 90°C or not to exceed 75°C in oil or coolants. Applications requiring Type MTW conductor is appropriate for use in dry locations at 90°C, or not to exceed 60°C in wet locations or where exposed to oils or coolants. Applications requiring Type AWM conductor is appropriate for use at temperatures to not exceed 105°C in dry locations.

Also Known As:
Copper wire, THWN, building wire, hook up wire, conduit wire, bathtub wire, lighting wire, nylon copper wire, construction cable, etc...

Features:
Nylon outer jacket for easy pulling. VW-1 rated 14 AWG - 8 AWG. All sizes are rated gasoline and oil-resistant II.

Jacket:
A tough, polyamide, Nylon outer covering per UL-1063 and UL-83.

Standards:
Underwriters Laboratories Standards UL-83, UL-1063, UL-758
AWM Spec 1316, 1317, 1318, 1319, 1320, 1321
ASTM Stranding Class B3, B8, B787
Federal Specification A-A-59544
Canadian Standards Association C22.2 No. 75
NEMA WC70/ICEA S-95-658
Institute of Electrical and Electronics Engineers

Construction:
Conductors:
Solid, uncoated copper conductors per ASTM-B3
Stranded, uncoated copper conductors per ASTM-B3, ASTM-B787 and ASTM-B8
Insulation:
Color-coded Polyvinyl Chloride (PVC), heat and moisture-resistant, flame-retardant compound per UL-1063 and UL-8

Specifications*:

Size: 250 MCM
Number of Strands: 37
Cross Section Area (mm2): 127.00
PVC Insulation Thickness (Conductor): 1.520 mm / 0.060 inches
Nylon Jacket Thickness: 0.200 mm / 0.008 inches
Outside Diameter: 17.23 mm / 0.678 inches
Weight: 0.903 lbs per ft
Allowable Ampacity: 215 Amps at 60ºC / 255 Amps at 75ºC / 290 Amps at 90ºC

*Data provided on this page is subject to change based on different manufacturers variances.