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SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 3 Conductors, 500 ft Overall Lg - Nonplenum-Rated Thermostat Wires
SOUTHWIRENonplenum-Rated Thermostat Wires

SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 3 Conductors, 500 ft Overall Lg

The SOUTHWIRE Thermostat Wire (MPN 553030501) is a nonplenum-rated CL2 cable with 18 AWG conductor size, 3 conductors, 150 V voltage rating, and 500 ft overall length. 3G Electric interprets your demand for this…

SKU 3G-OTH-47574

Brand
SOUTHWIRE
Item
Thermostat Wire: 18 AWG Conductor Size, 3 Conductors, 500 ft Overall Lg
Category
Nonplenum-Rated Thermostat Wires
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Technical Specifications

SOUTHWIRE
Manufacturer Part Number
553030501
Type
CL2
Overall Lg
500 ft
Volt
150 V
Conductors
3
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SOUTHWIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SOUTHWIRE Thermostat Wire (MPN 553030501) is a nonplenum-rated CL2 cable with 18 AWG conductor size, 3 conductors, 150 V voltage rating, and 500 ft overall length. 3G Electric interprets your demand for this specific wire, sources it from our extensive network across 14 industrial departments, and provides a firm quote with dedicated support. Our specialist depth in controls—including expertise with brands like Schneider and ABB—ensures we can advise on the right wiring solution for your application.

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 18 AWG CL2 thermostat wire connects HVAC thermostats, zone valves, and boiler controls to heating and cooling equipment. It is suitable for low-voltage residential and commercial control circuits up to 150 V, installed in non-plenum spaces per local electrical codes.

What are the specifications of Southwire 553030501 thermostat wire?

This Southwire thermostat wire has 18 AWG conductors, 3 conductors total, 500 ft overall length, rated 150 V, and CL2 classification for non-plenum installations. The manufacturer part number is 553030501. It is designed for low-voltage control wiring in HVAC systems.

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, 3-conductor, 500 ft CL2 wire (MPN 553030501).

How to install Southwire CL2 thermostat wire?

Install Southwire CL2 thermostat wire in non-plenum spaces only, per NEC Article 725. Use proper strain relief and avoid sharp bends. Strip insulation carefully to prevent nicking conductors. Connect to low-voltage terminals (24 V typical) on thermostat and HVAC equipment. Do not exceed 150 V rating.

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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