GPT/GXL/SXL/TXL, All Sizes

Automotive primary wire for engine, chassis and body harnesses. SAE J1128 defines GPT (PVC insulation) and the cross-linked GXL, SXL and TXL types, which differ mainly in insulation wall thickness.

We list 7 sizes of GPT/GXL/SXL/TXL, from 20 AWG to 8 AWG. All of them are priced online, from $0.0574/ft. Sold by the foot in whole feet from 25 ft, or on standard spools and coils. Up to 10 colors are listed per size. Each size has its own page with the price for every color and length, the date an order placed now ships, and the full specifications.

GPT/GXL/SXL/TXL: every size
Product	Size	Conductors	O.D. (in)	From $/ft
20 AWG GPT Primary Wire	20 AWG	1	0.085	On request
20 AWG GXL Primary Wire	20 AWG	1	0.084	$0.0574
20 AWG SXL Primary Wire	20 AWG	1	0.096	$0.0848
20 AWG TXL Primary Wire	20 AWG	1	0.07	$0.0582
18 AWG GPT Primary Wire	18 AWG	1	0.095	$0.0776
18 AWG GXL Primary Wire	18 AWG	1	0.094	$0.0873
18 AWG SXL Primary Wire	18 AWG	1	0.108	$0.0910
18 AWG TXL Primary Wire	18 AWG	1	0.078	$0.0776
16 AWG GPT Primary Wire	16 AWG	1	0.102	$0.1067
16 AWG GXL Primary Wire	16 AWG	1	0.118	$0.1261
16 AWG SXL Primary Wire	16 AWG	1	0.118	$0.1366
16 AWG TXL Primary Wire	16 AWG	1	0.089	$0.1164
14 AWG GPT Primary Wire	14 AWG	1	0.117	$0.1746
14 AWG GXL Primary Wire	14 AWG	1	0.116	$0.2037
14 AWG SXL Primary Wire	14 AWG	1	0.118	$0.1823
14 AWG TXL Primary Wire	14 AWG	1	0.102	$0.1455
12 AWG GPT Primary Wire	12 AWG	1	0.142	$0.1940
12 AWG GXL Primary Wire	12 AWG	1	0.142	$0.2616
12 AWG SXL Primary Wire	12 AWG	1	0.16	$0.2644
12 AWG TXL Primary Wire	12 AWG	1	0.127	$0.2134
10 AWG GPT Primary Wire	10 AWG	1	0.174	$0.3492
10 AWG GXL Primary Wire	10 AWG	1	0.174	$0.3464
10 AWG SXL Primary Wire	10 AWG	1	0.192	$0.3920
10 AWG TXL Primary Wire	10 AWG	1	0.155	$0.3783
8 AWG GPT Primary Wire	8 AWG	1	0.215	$0.6014
8 AWG SXL Primary Wire	8 AWG	1	0.227	$0.6040

Code references are to the NEC; check the edition your jurisdiction has adopted and any local amendments.

GPT/GXL/SXL/TXL, All Sizes

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