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THHN 300 37

THHN 300 37 300 MCM THHN Building Wire

Discover the THHN 300 37 wire, a heavy-duty choice in our hook-up and lead wire catalog. This 300 MCM wire features a 37-stranded bare copper conductor, PVC insulation, and a nylon jacket. Rated for 600V, it operates up to 90C in dry/damp locations or 75C in wet conditions, with an ampacity of 320A. It's ideal for general-purpose wiring in conduit, cable trays, or raceways for various applications. This UL-approved wire is available in 14 to 1000 AWG. Order now from Allied Wire & Cable!

THHN 300 37

Part Number

THHN 300 37

Attributes

No. of Cond.

1

Ampacity (90C)

320

Approx LBS/MFT

1011, 1012.00

AWG Size

300

Cond. Material

Bare Copper

Conductor Stranding

37/.0822

cUL Approved

Yes

Insul. Material

Polyvinylchloride (PVC)

Jacket Material

Nylon

Jacket Thickness

0.008

Max. Temp

90C

NEMA Type

NEMA WC 70

No. of Strands

37

Nom. Insul. Thick. (in)

0.060

Nom. O.D. (in)

0.7300, 0.766

Other Standards

VW-1 Rated, ARRA 2009 Section 1605 “Buy American” Compliant

Strand Size

0.0822

UL Style

MTW/1063/83/758, UL 1063, UL 83, UL 758

Voltage

600