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SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg - Nonplenum-Rated Thermostat Wires
SOUTHWIRENonplenum-Rated Thermostat Wires

SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg

The SOUTHWIRE 553075407 is a nonplenum-rated thermostat wire with 18 AWG conductor size, 7 conductors, 250 ft overall length, and 150 V rating. 3G Electric interprets this demand and delivers genuine industrial…

SKU 3G-OTH-48415

Brand
SOUTHWIRE
Item
Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg
Category
Nonplenum-Rated Thermostat Wires
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Technical Specifications

SOUTHWIRE
Manufacturer Part Number
553075407
Overall Lg
250 ft
Volt
150 V
Conductors
7
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SOUTHWIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SOUTHWIRE 553075407 is a nonplenum-rated thermostat wire with 18 AWG conductor size, 7 conductors, 250 ft overall length, and 150 V rating. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as an authorized distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is Southwire thermostat wire used for?

Southwire thermostat wire is used for low-voltage control wiring in HVAC systems, connecting thermostats to heating, cooling, and ventilation equipment. It is suitable for nonplenum residential and commercial installations where 150 V or less is required.

What are the specifications of Southwire 18 AWG thermostat wire?

This Southwire thermostat wire has 18 AWG conductor size, 7 conductors, 150 V voltage rating, and 250 ft overall length. The MPN is 553075407. It is nonplenum-rated, meaning it is designed for use in spaces not used for air circulation.

Where to buy Southwire thermostat wire worldwide?

You can source Southwire thermostat wire worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MPN 553075407.

How to install Southwire thermostat wire?

To install Southwire thermostat wire, route the cable from the thermostat to the HVAC equipment, ensuring it is not exposed to sharp edges or excessive heat. Strip the outer jacket carefully, connect each conductor to the corresponding terminal, and secure the wire with staples or cable ties per local codes.

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

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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