THHN Stranded Building Wire. Cut to length - sold by the Foot.
300 MCM THHN Building Wire
Product DetailsLearn everything you want to know about this product to make an informed purchase
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.
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...
Nylon outer jacket for easy pulling. VW-1 rated 14 AWG - 8 AWG. All sizes are rated gasoline and oil-resistant II.
A tough, polyamide, Nylon outer covering per UL-1063 and UL-83.
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
Solid, uncoated copper conductors per ASTM-B3
Stranded, uncoated copper conductors per ASTM-B3, ASTM-B787 and ASTM-B8
Color-coded Polyvinyl Chloride (PVC), heat and moisture-resistant, flame-retardant compound per UL-1063 and UL-8
Size: 300 MCM
Number of Strands: 37
Cross Section Area (mm2): 152.00
PVC Insulation Thickness (Conductor): 1.524 mm / 0.060 inches
Nylon Jacket Thickness: 0.203 mm / 0.008 inches
Outside Diameter: 18.54 mm / 0.730 inches
Weight: 1.06 lbs per ft
Allowable Ampacity: 240 Amps at 60ºC / 285 Amps at 75ºC / 320 Amps at 90ºC
*Data provided on this page is subject to change based on different manufacturers variances.
|Wire Size||300 MCM|
|# of Conductors||1 Conductor|
|Conductor Material||Bare Copper|
|Stranded or Solid||Stranded|
|Number of Strands||37|
|Insulation Material||PVC - Polyvinyl Chloride|
|Location Use||Wet, Dry|
|Indoor/Outdoor Use||Indoor, Outdoor|
|Standards||UL Listed, CSA Certified|
|Features||Water Resistant, Oil & Gas Resistant, Heat Resistant|