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SOUTHWIRE Plenum-Rated Thermostat Wire, 2 Conductor, 300 V, 500 ft - Plenum-Rated Thermostat Wires
SOUTHWIREPlenum-Rated Thermostat Wires

SOUTHWIRE Plenum-Rated Thermostat Wire, 2 Conductor, 300 V, 500 ft

The SOUTHWIRE Thermostat Wire (MPN 555020523) is a CL2P plenum-rated cable with 18 AWG conductor size, 2 conductors, 300 V rating, and 500 ft overall length. 3G Electric interprets your demand for this specific wire…

SKU 3G-OTH-48521

Brand
SOUTHWIRE
Item
Plenum-Rated Thermostat Wire, 2 Conductor, 300 V, 500 ft
Part Number
555020523
Category
Plenum-Rated Thermostat Wires
Available to Order
Also known as:555020523SOUTHWIRE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SOUTHWIRE
Manufacturer Part Number
555020523
Type
CL2P
Overall Lg
500 ft
Volt
300 V
Conductors
2

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

Product Description

The SOUTHWIRE Thermostat Wire (MPN 555020523) is a CL2P plenum-rated cable with 18 AWG conductor size, 2 conductors, 300 V rating, and 500 ft overall length. 3G Electric interprets your demand for this specific wire, sources it as an authorised distributor, and supports your installation with specialist expertise across 14 industrial departments — including combustion, pumps, and controls.

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 and cooling equipment. Its CL2P plenum rating makes it suitable for installation in air-handling spaces, such as drop ceilings, where fire safety and low smoke emission are required.

What are the specifications of Southwire thermostat wire 555020523?

This Southwire thermostat wire has 18 AWG conductor size, 2 conductors, 500 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 555020523, and it is designed for low-voltage HVAC control applications.

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; we provide reliable sourcing for this CL2P plenum-rated wire.

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 parallel with high-voltage lines to avoid interference. Use appropriate connectors and follow local electrical codes. For plenum-rated CL2P wire, it can be installed in air-handling spaces without conduit.

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 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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CL2P plenum-rated thermostat wire for low-voltage HVAC control wiring. 3 conductors, 18 AWG, 500 ft length, 300 V rating. Suitable for installation in air-handling spaces without conduit per fire-safety codes
SOUTHWIRE
CL2P plenum-rated thermostat wire for low-voltage HVAC control wiring. 3 conductors, 18 AWG, 500 ft length, 300 V rating. Suitable for installation in air-handling spaces without conduit per fire-safety codes

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