From $0.20/ft
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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 : THRMPL18-2
SKU : THRMPL18-2-500-WT
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Copper |
| Conductor Type | Solid |
| Strand Count | Solid |
| Outer Diameter (OD) (in/mm) | 0.138 in. |
| Jacket Type | PVC |
| Conductor Count | 2 |
| Shield | Unshielded |
| Insulation Type | PVC |
| UL Listing Numbers | UL 13, UL 444 |
| Plenum Rating | true |
| Voltage Rating | 150V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 60°C |
| Standards | UL 13, CL2P UL 444, CM NEC Article 725, 800 Sunlight Resistant |
| Miscellaneous Information | All values are nominal and subject to correction. |
| Primary Applications | Residential and Commercial HVAC Systems, Boilers and Furnaces, Air Conditioning Units, Heat Pumps, Zoning Systems, General Purpose Control. |
| Weight per Foot | 0.016 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 : THRMPL18-2
SKU : THRMPL18-2-500-WT
Parent SKU : THRMPL18-2
SKU : THRMPL18-2-500-WT
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Copper |
| Conductor Type | Solid |
| Strand Count | Solid |
| Outer Diameter (OD) (in/mm) | 0.138 in. |
| Jacket Type | PVC |
| Conductor Count | 2 |
| Shield | Unshielded |
| Insulation Type | PVC |
| UL Listing Numbers | UL 13, UL 444 |
| Plenum Rating | true |
| Voltage Rating | 150V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 60°C |
| Standards | UL 13, CL2P UL 444, CM NEC Article 725, 800 Sunlight Resistant |
| Miscellaneous Information | All values are nominal and subject to correction. |
| Primary Applications | Residential and Commercial HVAC Systems, Boilers and Furnaces, Air Conditioning Units, Heat Pumps, Zoning Systems, General Purpose Control. |
| Weight per Foot | 0.016 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.
Get notified when this product is back in stock
Physical Specifications
Technical Specifications
Usage & Installation:
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18-2C Plenum Thermostat Wire is a specialized low-voltage cable designed for power-limited circuits in HVAC systems and other control applications. It features two 18 AWG solid copper conductors and is specifically engineered with a low-smoke PVC jacket for safe use in plenum air-handling spaces. This wire ensures reliable signal transmission between thermostats and heating/cooling units.
Plenum-rated cable is crucial because it is designed with fire-resistant and low-smoke properties, significantly reducing the spread of flames and toxic fumes in the event of a fire. You should use plenum-rated cable, such as this 18-2C Plenum Thermostat Wire, whenever wiring is installed in plenum spaces. These are air-handling areas like the spaces above drop ceilings or below raised floors, where air circulates as part of HVAC systems, and building codes typically mandate its use for safety and compliance.
This 18-2C Plenum Thermostat Wire is primarily used in plenums without conduit for power-limited circuits. Common applications include thermostats, air conditioning, heat pumps, bell and alarm systems, signal systems, doorbells, and remote control units. It's ideal for any low-voltage control system where fire safety in air-handling spaces is a concern.
In the product title '18-2C Plenum Thermostat Wire', '18' refers to the American Wire Gauge (AWG) of the conductors, indicating their thickness. '2C' signifies that the cable contains two individual conductors within the jacket. This specific configuration is common for basic thermostat control systems.
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