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SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 8 Conductors, 250 ft Overall Lg - Plenum-Rated Thermostat Wires
SOUTHWIREPlenum-Rated Thermostat Wires

SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 8 Conductors, 250 ft Overall Lg

The SOUTHWIRE Thermostat Wire (MPN 555080423) is a CL2P plenum-rated cable with 18 AWG conductors, 8 conductors, 300 V rating, and 250 ft overall length. 3G Electric interprets your demand for this specific wire…

SKU 3G-OTH-48627

Brand
SOUTHWIRE
Item
Thermostat Wire: 18 AWG Conductor Size, 8 Conductors, 250 ft Overall Lg
Category
Plenum-Rated Thermostat Wires
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Technical Specifications

SOUTHWIRE
Manufacturer Part Number
555080423
Type
CL2P
Overall Lg
250 ft
Volt
300 V
Conductors
8
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SOUTHWIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SOUTHWIRE Thermostat Wire (MPN 555080423) is a CL2P plenum-rated cable with 18 AWG conductors, 8 conductors, 300 V rating, and 250 ft overall length. 3G Electric interprets your demand for this specific wire, sources it from our global supply network, and provides a firm quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is Southwire thermostat wire used for?

Southwire thermostat wire is used for low-voltage control wiring in HVAC systems, including thermostats, zone valves, and boilers. The CL2P plenum rating makes it suitable for installation in air-handling spaces without conduit, meeting fire-safety codes for commercial and residential buildings.

What are the specifications of Southwire thermostat wire 555080423?

This Southwire thermostat wire has 18 AWG conductor size, 8 conductors, 250 ft overall length, and a 300 V voltage rating. It is CL2P plenum-rated for use in air-handling spaces. The manufacturer part number is 555080423, and it is designed for low-voltage HVAC control applications.

Where to buy Southwire thermostat wire in 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; we supply genuine Southwire products for HVAC installations.

How to install Southwire thermostat wire?

Install Southwire thermostat wire by routing it from the HVAC equipment to the thermostat location, avoiding sharp bends and physical damage. Use appropriate connectors and ensure the 300 V rating is not exceeded. For plenum-rated CL2P wire, it can be run in air-handling spaces without conduit 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 plenum-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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