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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 553070407 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 it across 14 industrial…

SKU 3G-OTH-49025

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
553070407
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 553070407 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 it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised 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 connects HVAC thermostats to heating and cooling equipment. The 18 AWG, 7-conductor, 150 V design suits residential and light commercial low-voltage control circuits, including heat pumps, zone valves, and air handlers.

What are the specifications of Southwire 553070407 thermostat wire?

This Southwire thermostat wire has 18 AWG conductors, 7 conductors total, 250 ft overall length, and a 150 V voltage rating. It is nonplenum-rated, making it suitable for standard indoor installations where plenum air-handling spaces are not involved.

Where to buy Southwire thermostat wire worldwide?

3G Electric supplies Southwire thermostat wire worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 18 AWG, 7-conductor, 250 ft wire.

How to install Southwire nonplenum thermostat wire?

Install Southwire nonplenum thermostat wire in walls or ceilings not used for air handling. Strip 1/2 inch of insulation, connect conductors to thermostat and equipment terminals per wiring diagrams, and avoid sharp bends. Use cable staples to secure without crushing the jacket.

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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