Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg - Nonplenum-Rated Thermostat Wires
SOUTHWIRENonplenum-Rated Thermostat Wires

SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg

The SOUTHWIRE 553050401 is a nonplenum-rated thermostat wire with 18 AWG conductor size, 5 conductors, 250 ft overall length, and 150 V voltage rating. 3G Electric interprets this demand and delivers genuine…

SKU 3G-OTH-48031

Brand
SOUTHWIRE
Item
Thermostat Wire: 18 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg
Category
Nonplenum-Rated Thermostat Wires
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SOUTHWIRE
Manufacturer Part Number
553050401
Overall Lg
250 ft
Volt
150 V
Conductors
5
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SOUTHWIRE 553050401 is a nonplenum-rated thermostat wire with 18 AWG conductor size, 5 conductors, 250 ft overall length, and 150 V voltage 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.

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 thermostat wire 553050401?

This Southwire thermostat wire has 18 AWG conductor size, 5 conductors, 150 V voltage rating, and 250 ft overall length. It is nonplenum-rated, making it ideal for standard indoor thermostat wiring applications in HVAC systems.

Where to buy Southwire thermostat wire in worldwide?

You can source Southwire thermostat wire MPN 553050401 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your HVAC projects.

How to install Southwire thermostat wire?

To install Southwire thermostat wire, route the cable from the thermostat to the HVAC equipment, strip the outer jacket, and connect each conductor to the corresponding terminal. Use proper strain relief and avoid sharp bends. Follow local electrical codes for low-voltage wiring.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553055407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553055407)
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 4 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553045407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 4 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553045407)
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 552055407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 552055407)
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 10 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553100407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 10 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553100407)
SOUTHWIRE Thermostat Wire: 22 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 550050407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 22 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 550050407)
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 8 Conductors, 125 ft Overall Lg, 150 V Volt (MPN 552085301)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 8 Conductors, 125 ft Overall Lg, 150 V Volt (MPN 552085301)

More from SOUTHWIRE

View all SOUTHWIRE parts
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 3 Conductors, 500 ft Overall Lg, 150 V Volt, CL2 (MPN 553030501)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 3 Conductors, 500 ft Overall Lg, 150 V Volt, CL2 (MPN 553030501)
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553070407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553070407)
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt, CL2 (MPN 552050407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 5 Conductors, 250 ft Overall Lg, 150 V Volt, CL2 (MPN 552050407)
SOUTHWIRE Thermostat Wire: 18 AWG/20 AWG Conductor Size, 8 Conductors, 125 ft Overall Lg, 150 V Volt (MPN 59016504)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG/20 AWG Conductor Size, 8 Conductors, 125 ft Overall Lg, 150 V Volt (MPN 59016504)
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 4 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553046607)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 4 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553046607)
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553075407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 553075407)
SOUTHWIRE Thermostat Wire: 22 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 550070407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 22 AWG Conductor Size, 7 Conductors, 250 ft Overall Lg, 150 V Volt (MPN 550070407)
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 6 Conductors, 250 ft Overall Lg, 150 V Volt, CL2 (MPN 552060407)
SOUTHWIRE
SOUTHWIRE Thermostat Wire: 20 AWG Conductor Size, 6 Conductors, 250 ft Overall Lg, 150 V Volt, CL2 (MPN 552060407)