Southwire GPT 12-19 CU GPT Auto Wire SAE Black 100 FT: Maker image for the Southwire GPT primary wire range; the variants look alike. It is the only picture on Southwire's 55671323 product page, which prints "Southwire #: 55671323".

1 photo · Image from southwire.com

Photo sources

Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: Maker image for the Southwire GPT primary wire range; the variants look alike. It is the only picture on Southwire's 55671323 product page, which prints "Southwire #: 55671323".

Southwire GPT 12-19 CU GPT Auto Wire SAE Black 100 FT

Name: Southwire GPT 12-19 CU GPT Auto Wire SAE Black 100 FT
Brand: Southwire
SKU: 55671323

By SouthwireSKU 55671323

Wire

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Wire size12 AWG Length30.48 m ConnectorNot stated ConductorStranded copper Voltage rating60 V Temperature rating85 M °C

Key specs

Units

SKU: 55671323
Official product page
Sources
Southwire's part number, printed as "Southwire #: 55671323".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Southwire # line
Documented
Length: 30.48 m100 ft converted
Official product page
Sources
The name prints "100 FT"; converted here as 100 ft x 0.3048 m/ft. Length of the single black conductor on the spool.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Product name
Documented
Insulation: PVC
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented
Wire size: 12 AWG
Official product page
Sources
Printed as "Size (AWG or kcmil) (mm2) 12 AWG 12 AWG" and in the name "GPT 12-19 CU".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Specifications, Size
Documented
Strand count: 19
Official product page
Sources
Printed as "No. of Strands 19 19".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Specifications, No. of Strands
Documented
Voltage rating: 60 V
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts". Southwire does not say whether the figure is AC or DC.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented
Conductor: Stranded copper
Official product page
Sources
The name prints "CU"; the construction line prints "Southwire’s GPT is manufactured using stranded bare or tinned copper conductors with PVC or XLPE insulation" for the GPT family and does not say which applies to 55671323.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Product name; Construction
Documented
Temperature rating: 85 M °C
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts"; no lower limit is printed.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented

All specs7

Length: 30.48 m100 ft converted
Official product page
Sources
The name prints "100 FT"; converted here as 100 ft x 0.3048 m/ft. Length of the single black conductor on the spool.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Product name
Documented
Insulation: PVC
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented
Wire size: 12 AWG
Official product page
Sources
Printed as "Size (AWG or kcmil) (mm2) 12 AWG 12 AWG" and in the name "GPT 12-19 CU".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Specifications, Size
Documented
Strand count: 19
Official product page
Sources
Printed as "No. of Strands 19 19".
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Specifications, No. of Strands
Documented
Voltage rating: 60 V
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts". Southwire does not say whether the figure is AC or DC.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented
Conductor: Stranded copper
Official product page
Sources
The name prints "CU"; the construction line prints "Southwire’s GPT is manufactured using stranded bare or tinned copper conductors with PVC or XLPE insulation" for the GPT family and does not say which applies to 55671323.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Product name; Construction
Documented
Temperature rating: 85 M °C
Official product page
Sources
Printed as "PVC Insulation 85°C, 60 Volts"; no lower limit is printed.
Official product page: GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025) Checked Sep 22, 2026 · Earlier document
Location: Construction
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
GPT 12-19 CU GPT AUTO WIRE SAE BLACK 100 FT, Southwire #: 55671323 (Southwire product page, Internet Archive copy captured January 2, 2025)OfficialSouthwire Company, LLCOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Location: Product heading and Southwire # line; Specifications; Construction
Retrieved Sep 22, 2026
An Internet Archive copy of Southwire's own product page for part 55671323, captured on January 2, 2025, not a live page. Southwire's robots.txt limits crawling to 0000-0430 UTC with a 10 second delay, so the archived copy is used. The page prints the product name, the Southwire number, application text, a short specification table and a construction line; its Standards & References section and Resources section list nothing ("There are no downloadable resources for this product"). The name contains "SAE" but the page names no SAE standard.
Open