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GPTM Primary Wire

Our GPTM Marine Primary Wire comes with either a tinned or bare copper conductor. Both constructions feature PVC insulation and meet Chrysler Spec MS-3450 and Ford Spec M1L-56A. Both constructions also have a maximum temperature of 105 C, come in a variety of colors, and are suitable for use as general circuit wiring in marine applications. 

12 items

GPTM 10
Approx LBS/MFT37.4
AWG Size10
Chrysler SpecMS-3450
Cond. MaterialBare Copper
Conductor Stranding19/23
Copper LBS/MFT32
Ford SpecM1L-56A
Insul. MaterialPolyvinylchloride (PVC)
Starting at 0.45 per FT 
GPTM 10 19T
Approx LBS/MFT37.40
AWG Size10
Cond. MaterialTinned Copper
Conductor Stranding19/23
Insul. MaterialPolyvinylchloride (PVC)
Max. Temp105C
No. of Strands19
Nom. Insul. Thick. (in)0.031
Starting at 0.52 per FT 
GPTM 8
Approx LBS/MFT58.60
AWG Size8
Chrysler SpecMS-3450
Cond. MaterialBare Copper
Conductor Stranding19/21
Copper LBS/MFT52
Ford SpecM1L-56A
Insul. MaterialPolyvinylchloride (PVC)
Starting at 0.53 per FT 
GPTM 8 19T
Approx LBS/MFT58.60
AWG Size8
Cond. MaterialTinned Copper
Conductor Stranding19/21
Insul. MaterialPolyvinylchloride (PVC)
Max. Temp105C
No. of Strands19
Nom. Insul. Thick. (in)0.037
Starting at 0.92 per FT 

GPTM Marine Primary Wire Specifications

GPTM Construction:

  • Conductor:Stranded Copper, either Bare or Tinned
  • Insulation:Polyvinylchloride (PVC)

GPTM Approvals and Ratings:

  • SAE Specifications: SAE J-1128, SAE J378
  • Chrysler Specification: Chrysler Spec MS-3450
  • Ford Specification: Ford Spec M1L-56A
  • Temperature Rating: 105°C

GPTM Features:

  • Marine spec printed: “Marine GPT SAE J378 and SAE J1128 105°C _ AWG”
  • Meets Chrysler Spec MS-3450 and Ford Spec M1L-56A
  • Available in a variety of colors: Black, Brown, Red, Orange, Yellow, Light Green, Dark Green, Light Blue, Dark Blue, Purple, Gray, White, Tan, and Pink