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Automotive Wire Tables

Notes:

1. A DIN (metric) to nearest SAE cross-reference is given HERE.

2. Unless otherwise indicated, all information is per SAE specifications.
American Wire gauge, (AWG) is not the same as SAE Wire Gauges.
AW gauge is 6 to 10% larger than SAE gauge. No big deal when you know about it.

3. The GPT, TWP, and HDT wire insulations are all Polyvinyl Chloride (PVC) based insulations, and the SXL, GXL, and TXL insulations are Cross-linked Polyethyene, (XLP). XLP is tougher and more temperature resistant, and the PVC is cheaper, typically by about 20%

4.Stranding refers to the number of individual wires in the conductor, and their gauge.
Example: 19/29 means 19 individual wires of 29 gauge make up the 16 gauge conductor.


 

 

 

 

 

 

 

Type TXL, Thin Insulation Thickness, XLP

 -51C to +125C. Engine compartment wiring, minimum weight.

 

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

22

7/30

0.016 in.

0.062 in.

3.0 lbs.

20

7/28

0.016 in.

0.070 in.

5.0 lbs.

18

16/30

0.016 in.

0.078 in.

6.9 lbs.

16

19/29

0.016 in.

0.088 in.

9.4 lbs.

14

19/27

0.016 in.

0.103 in.

14.1 lbs.

12

19/25

0.018 in.

0.126 in.

22.2 lbs.

10

19/23

0.02 in.

0.153 in.

33.0 lbs.

 

 

 

 

 

 

Type GXL, Medium Insulation Thickness, XLP

 -51C to +125C. Engine compartment, medium weight

 

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

19/.0092

0.023 in.

0.092 in.

8.0 lbs.

16

19/29

0.023 in.

0.103 in.

10.5 lbs.

14

19/27

0.023 in.

0.117 in.

16.0 lbs.

12

19/25

0.026 in.

0.142 in.

24.0 lbs.

10

19/23

0.031 in.

0.179 in.

38.0 lbs.

8

 

 

 

 

 

 

 

 

 

 

Type SXL Heavy Insulation Thickness, XLP

 -51C to +125C. Engine compartment. Thickest XLP insulation.

For extra protection. Ex.: Off - Road vehicles

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

16/30

0.03 in.

0.107 in.

9.5 lbs.

16

19/29

0.032 in.

0.12 in.

12.7 lbs.

14

19/27

0.035 in.

0.141 in.

19.0 lbs.

12

19/25

0.037 in.

0.163 in.

27.6 lbs.

10

19/23

0.041 in.

0.193 in.

40.6 lbs.

8

19/21

0.043 in.

0.227 in.

68.0 lbs.

 

 

 

 

 

 

Type SGX, SAE 1127 Starter/Battery Cable, XLP,-51C to + 125C.

  Lighter, higher temperature, and tougher than welding cable.

 

 

Gauge

Stranding*

Insul. Thickness

Wire O.D.

Weight per 1000ft

6

133/27

0.06 in.

0.315 in.

130 lbs.

4

61/22

0.065 in.

0.36 in.

160 lbs.

2

133/23

0.065 in.

0.44 in.

258 lbs.

1

133/22

0.065 in.

0.48 in.

322 lbs.

1/0

1064/30

0.065 in.

0.531 in.

431 lbs.

2/0

1330/30

0.065 in.

0.577 in.

499 lbs.

3/0

1627/30

0.078 in.

0.67 in.

603 lbs.

4/0

2109/.010

0.78 in.

0.75 in.

779 lbs.

 

 

 

 

 

 

Marine Engine and Component Wire. PVC,105 DegC

Best of the PVC insulations. ABA Spec., not SAE 

 

 

AWG

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

16/30

0.023 in.

0.093 in.

7.5 lbs.

16

19/29

0.023 in.

0.105 in.

11.0 lbs.

14

19/27

0.023 in.

0.118 in.

16.0 lbs.

12

19/25

0.026 in.

0.143 in.

24.0 lbs.

10

19/23

0.031 in.

0.176 in.

37.0 lbs.

8

19/21

0.037 in.

0.217 in.

66.0 lbs.

6

133/27

0.043 in.

0.298 in.

137.0 lbs.

 

 

 

 

 

 

Type TWP Thin Insulation -40C to +85C, , PVC

 Where small diameter and minimal weight is desirable

 

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

19/.0092

0.016 in.

0.078 in.

6.9 lbs.

16

19/29

0.016 in.

0.089 in.

10.0 lbs.

14

19/27

0.016 in.

0.103 in.

14.4 lbs.

12

19/25

0.018 in.

0.126 in.

22.0 lbs.

10

19/23

0.02 in.

0.153 in.

34.2 lbs.

 

 

 

 

 

 

Type GPT Medium Insulation, -40C to +85C. PVC

  General circuit wiring. NOT recommended for under-hood use!

  This is the wire found in retail stores.

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

16/30

0.023 in.

0.091 in.

8.3 lbs.

16

19/29

0.023 in.

0.103 in.

11.5 lbs.

14

19/27

0.023 in.

0.117 in.

16.8 lbs.

12

19/25

0.026 in.

0.143 in.

25.2 lbs.

10

19/23

0.031 in.

0.175 in.

40.0 lbs.

8

19/21

0.037 in.

0.216 in.

63.0 lbs.

 

 

 

 

 

 

Type HDT Heavy Insulation Thickness, PVC

 -40C to +85C Where greater physical protection is required.

 

 

Gauge

Stranding *

Insul. Thickness

Wire O.D.

Weight per 1000ft

18

16/30

0.037 in.

0.123 in.

11 lbs.

16

19/29

0.04 in.

0.138 in.

15 lbs.

14

19/27

0.041 in.

0.154 in.

20 lbs.

12

19/25

0.046 in.

0.183 in.

30 lbs.

10

19/23

0.046 in.

0.206 in.

43 lbs.

8

19/21

0.055 in.

0.254 in.

67 lbs.

 

 

 

 

 

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