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SOUTHWIRE Nonplenum-Rated Thermostat Wire, 4-Conductor, 250 ft, 150 V, CL2 - Nonplenum-Rated Thermostat Wires
SOUTHWIRENonplenum-Rated Thermostat Wires

SOUTHWIRE Nonplenum-Rated Thermostat Wire, 4-Conductor, 250 ft, 150 V, CL2

The SOUTHWIRE Thermostat Wire is a nonplenum-rated CL2 cable with 22 AWG conductor size, 4 conductors, 150 V voltage rating, and 250 ft overall length (MPN 550040407). 3G Electric interprets this demand and delivers…

SKU 3G-OTH-47283

Brand
SOUTHWIRE
Item
Nonplenum-Rated Thermostat Wire, 4-Conductor, 250 ft, 150 V, CL2
Part Number
550040407
Category
Nonplenum-Rated Thermostat Wires
Available to Order
Also known as:550040407SOUTHWIRE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SOUTHWIRE
Manufacturer Part Number
550040407
Type
CL2
Overall Lg
250 ft
Volt
150 V
Conductors
4

Technical Documents

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SOUTHWIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SOUTHWIRE Thermostat Wire is a nonplenum-rated CL2 cable with 22 AWG conductor size, 4 conductors, 150 V voltage rating, and 250 ft overall length (MPN 550040407). 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist trust anchored in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is Southwire thermostat wire used for?

Southwire thermostat wire connects thermostats to HVAC equipment such as furnaces, air conditioners, and heat pumps. The 22 AWG, 4-conductor, 250 ft length is suitable for low-voltage control circuits in residential and light commercial systems. It is CL2 rated for in-wall use in nonplenum spaces.

What are the specifications of Southwire thermostat wire 550040407?

This Southwire thermostat wire has 22 AWG conductor size, 4 conductors, 250 ft overall length, and 150 V voltage rating. It is CL2 rated for nonplenum installations. The manufacturer part number is 550040407. It is designed for low-voltage thermostat and control wiring.

Where to buy Southwire thermostat wire worldwide?

You can source Southwire thermostat wire through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time. We supply genuine Southwire products for HVAC and control applications.

How to install Southwire thermostat wire?

Install Southwire thermostat wire by routing it from the thermostat to the HVAC equipment, ensuring it is not run in plenum spaces. Use appropriate connectors and avoid sharp bends. Strip insulation carefully to prevent nicking conductors. Follow local electrical codes and the equipment manufacturer's wiring diagram for proper connections.

Used in

Common applications for SOUTHWIRE
Commercial construction — Southwire THHN/THWN-2 building wire (750 kcmil) for feeder circuits in conduit systems
Industrial maintenance — Southwire 8 AWG THHN/THWN-2 for motor branch circuits in wet locations
Outdoor job sites — Southwire 50 ft extension cord (12/3 SJTW, L5-20P) for powering 20 A equipment
Fixture wiring — Southwire 18 AWG TFFN wire for control panels and lighting fixtures in dry environments
Temporary power distribution — Southwire 25 ft extension cord (14/3 SJTW) for portable tools on construction sites
Workshop lighting — Southwire AL60CSW LED work light for high-bay illumination in maintenance bays
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SOUTHWIRE Products

3G Electric supplies SOUTHWIRE nonplenum-rated thermostat wires. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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