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Solid THHN/THWN-2 WireFrom $0.20/ft -
Solid THHN/THWN-2 WireFrom $0.20/ft - Solid THHN/THWN-2 WireFrom $0.20/ft
- Solid THHN/THWN-2 WireFrom $0.20/ft
Parent SKU : CPC12
SKU : CPC12-250
This #12 AWG HMWPE Cathodic Protection Cable is a precision-engineered, single-conductor wire designed for smaller-scale impressed current cathodic protection (ICCP) systems or as monitoring leads. Built to survive direct burial in aggressive soils and submersion in water, it provides a durable, high-conductivity path for corrosion mitigation on underground or submerged metallic structures.
While larger cables handle main feeder current, #12 AWG HMWPE is often the "intelligence" of the system, used for test leads, reference electrode wiring, or low-current anode connections. Standard insulation would quickly fail in the presence of the corrosive gases and moisture found in ground beds; High Molecular Weight Polyethylene (HMWPE) provides the specialized protection required.
Chemical & Gas Barrier: The HMWPE jacket is specifically designed to resist the corrosive chlorine and hydrogen gases produced during the electrolytic process.
Mechanical Resilience: Offers superior resistance to abrasion and environmental stress cracking, ensuring the conductor remains protected during the backfilling and soil-settling process.
Direct Burial Performance: Engineered to be buried directly in the earth without the need for conduit, significantly reducing installation labor and costs.
Efficient Conductivity: Features stranded bare copper to ensure reliable electrical performance and flexibility during terminal connections.
Conductor Size: #12 AWG
Conductor Material: Stranded Bare Copper
Insulation Material: High Molecular Weight Polyethylene (HMWPE)
Voltage Rating: 600V
Temperature Rating: 75°C (167°F)
Amp Rating: 25 Amps (@ 75°C)
Standard Color: Black (UV Resistant)
Approvals: ASTM D-1248, ICEA S-95-658
Test Leads: Used to monitor the potential of buried pipelines and tanks at test stations.
Reference Electrodes: Connecting permanent reference cells (like Copper/Copper Sulfate) to monitoring equipment.
Sacrificial Anode Leads: Wiring for smaller galvanic anodes in residential or light commercial applications.
Monitoring Systems: Integrated into remote monitoring units (RMUs) to track the health of the cathodic protection system.
Technical Note: Because #12 AWG is a smaller conductor, it is particularly susceptible to mechanical breakage if the soil shifts significantly. Ensure there is adequate "slack" left in the trench during installation. As with all CP cables, any nick in the insulation will lead to rapid copper corrosion. For high-chlorine or hydrocarbon environments, a dual-insulated construction (HALAR/HMWPE) is recommended.
| Wire Size (AWG/MCM) | 12 AWG |
| Conductor Material | Copper |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.31 in. / 7.87 mm |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | (HMWPE) High Molecular Weight Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 25 |
| Direct Burial Rating | Yes |
| Submersible | Yes |
| Flexibility Rating | Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 75°C |
| Standards | ASTM B-8 Stranded Copper Conductors ASTM-D-1248 ICEA S-61-402 NEMA WC-5 Type I Class C Category 5 Grades E-5 and J-I HMWP |
| Miscellaneous Information | The data shown is approximate and subject to standard industry and manufacturer tolerances |
| Common Uses |
|
| Weight per Foot | 0.048 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
Parent SKU : CPC12
SKU : CPC12-250
Parent SKU : CPC12
SKU : CPC12-250
This #12 AWG HMWPE Cathodic Protection Cable is a precision-engineered, single-conductor wire designed for smaller-scale impressed current cathodic protection (ICCP) systems or as monitoring leads. Built to survive direct burial in aggressive soils and submersion in water, it provides a durable, high-conductivity path for corrosion mitigation on underground or submerged metallic structures.
While larger cables handle main feeder current, #12 AWG HMWPE is often the "intelligence" of the system, used for test leads, reference electrode wiring, or low-current anode connections. Standard insulation would quickly fail in the presence of the corrosive gases and moisture found in ground beds; High Molecular Weight Polyethylene (HMWPE) provides the specialized protection required.
Chemical & Gas Barrier: The HMWPE jacket is specifically designed to resist the corrosive chlorine and hydrogen gases produced during the electrolytic process.
Mechanical Resilience: Offers superior resistance to abrasion and environmental stress cracking, ensuring the conductor remains protected during the backfilling and soil-settling process.
Direct Burial Performance: Engineered to be buried directly in the earth without the need for conduit, significantly reducing installation labor and costs.
Efficient Conductivity: Features stranded bare copper to ensure reliable electrical performance and flexibility during terminal connections.
Conductor Size: #12 AWG
Conductor Material: Stranded Bare Copper
Insulation Material: High Molecular Weight Polyethylene (HMWPE)
Voltage Rating: 600V
Temperature Rating: 75°C (167°F)
Amp Rating: 25 Amps (@ 75°C)
Standard Color: Black (UV Resistant)
Approvals: ASTM D-1248, ICEA S-95-658
Test Leads: Used to monitor the potential of buried pipelines and tanks at test stations.
Reference Electrodes: Connecting permanent reference cells (like Copper/Copper Sulfate) to monitoring equipment.
Sacrificial Anode Leads: Wiring for smaller galvanic anodes in residential or light commercial applications.
Monitoring Systems: Integrated into remote monitoring units (RMUs) to track the health of the cathodic protection system.
Technical Note: Because #12 AWG is a smaller conductor, it is particularly susceptible to mechanical breakage if the soil shifts significantly. Ensure there is adequate "slack" left in the trench during installation. As with all CP cables, any nick in the insulation will lead to rapid copper corrosion. For high-chlorine or hydrocarbon environments, a dual-insulated construction (HALAR/HMWPE) is recommended.
| Wire Size (AWG/MCM) | 12 AWG |
| Conductor Material | Copper |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.31 in. / 7.87 mm |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | (HMWPE) High Molecular Weight Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 25 |
| Direct Burial Rating | Yes |
| Submersible | Yes |
| Flexibility Rating | Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 75°C |
| Standards | ASTM B-8 Stranded Copper Conductors ASTM-D-1248 ICEA S-61-402 NEMA WC-5 Type I Class C Category 5 Grades E-5 and J-I HMWP |
| Miscellaneous Information | The data shown is approximate and subject to standard industry and manufacturer tolerances |
| Common Uses |
|
| Weight per Foot | 0.048 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
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Physical Specifications
Technical Specifications
Usage & Installation:
Packaging & Dimensions:
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#12 AWG is a versatile "mid-range" cable in CP systems. It is most commonly used for high-reliability test leads in environments where a #12 conductor is preferred for physical strength. It is also used as an anode lead wire for smaller sacrificial anodes (like magnesium or zinc) in residential or light commercial applications, such as protecting underground propane tanks or short sections of utility piping.
While both work for monitoring, engineers often specify #12 AWG because of its increased mechanical strength. In rocky soils or areas with significant ground movement, the thicker copper core of the #12 gauge provides an extra "safety factor" against breakage. Additionally, it offers lower electrical resistance, which can provide slightly more stable readings over very long distances between the structure and the test box.
No, it features the same high-performance High Molecular Weight Polyethylene (HMWPE). This insulation is specifically engineered to withstand the electrolytic environment of a CP system. It resists "stress cracking" and prevents the copper from corroding when exposed to the moisture and chemicals found in direct burial or submerged applications.
Yes, but typically only for the monitoring side of the ICCP system. Because Impressed Current systems use a rectifier to push significantly more amperage, the main "feeder" lines usually require #8, #6, or #4 AWG cables. Using #12 AWG for high-amperage feeds could result in excessive heat and voltage drop, which may compromise the system's efficiency.
Like all CP cables, the #12 AWG is rated for Direct Burial.
#12 AWG has lower resistance than #14 AWG. This is critical if your test station is located a significant distance from the pipeline. By using a larger gauge like #12 or #10, you ensure that the voltage potential measured at the surface is an accurate reflection of what is happening at the buried structure, rather than a degraded signal caused by thin-wire resistance.
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