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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 : THRM18-3
SKU : THRM18-3-500-WT
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Copper |
| Conductor Type | Solid |
| Strand Count | Solid |
| Outer Diameter (OD) (in/mm) | 0.144 in. |
| Jacket Type | PVC |
| Conductor Count | 3 |
| Shield | Unshielded |
| Insulation Type | PVC |
| UL Listing Numbers | UL |
| Voltage Rating | 150V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 60°C |
| Standards | UL 13, CL2 UL 444, CM NEC Article 725 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 | 0.021 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 : THRM18-3
SKU : THRM18-3-500-WT
Parent SKU : THRM18-3
SKU : THRM18-3-500-WT
| Wire Size (AWG/MCM) | 18 AWG |
| Conductor Material | Copper |
| Conductor Type | Solid |
| Strand Count | Solid |
| Outer Diameter (OD) (in/mm) | 0.144 in. |
| Jacket Type | PVC |
| Conductor Count | 3 |
| Shield | Unshielded |
| Insulation Type | PVC |
| UL Listing Numbers | UL |
| Voltage Rating | 150V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 60°C |
| Standards | UL 13, CL2 UL 444, CM NEC Article 725 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 | 0.021 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:
Packaging & Dimensions:
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18-3C Thermostat Wire is a low-voltage cable designed for power limited circuits in various control systems. It features three solid copper conductors, each insulated with colored PVC, and is encased in a durable PVC outer jacket. This wire is commonly used for connecting thermostats to HVAC systems, as well as for bell, alarm, and signal systems.
The '18' in 18-3C refers to the wire's American Wire Gauge (AWG) size, indicating it is 18 gauge, a common thickness for low-voltage applications. The '3C' denotes that the cable contains three individual conductors within its outer jacket. This configuration is suitable for basic thermostat functions like heating, cooling, and fan control, or other systems requiring three connections.
This 18-3C Thermostat Wire is primarily used for power limited circuits in various control systems. Its applications include connecting thermostats, air conditioning units, heat pumps, bell and alarm systems, signal systems, doorbells, and remote control units. It is ideal for systems where the voltage does not exceed 300 volts.
The key specifications for this 18-3C Thermostat Wire are: - Conductor Gauge: 18 AWG - Number of Conductors: 3 - Conductor Material: Solid soft drawn copper, per ASTM B3 and B258 - Insulation Material: Heat and moisture resistant colored polyvinyl chloride (PVC) - Jacket Material: Heat, moisture, and sunlight resistant polyvinyl chloride (PVC) - Voltage Rating: Up to 300 volts - Temperature Rating: -20°C to +60°C
This 18-3C Thermostat Wire is rated for use in power limited circuits where the voltage does not exceed 300 volts. While many HVAC systems operate at a lower 24 volts AC, the wire itself is designed to safely handle up to 300 volts.
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