SOUTHWIRE Thermostat Wire: 18 AWG Conductor Size, 4 Conductors, 250 ft Overall Lg
The SOUTHWIRE Thermostat Wire (MPN 553040401) is a nonplenum-rated CL2 cable with 18 AWG conductor size, 4 conductors, 150 V rating, and 250 ft overall length. 3G Electric interprets your demand for this wire and…
SKU 3G-OTH-47681
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Product Description
The SOUTHWIRE Thermostat Wire (MPN 553040401) is a nonplenum-rated CL2 cable with 18 AWG conductor size, 4 conductors, 150 V rating, and 250 ft overall length. 3G Electric interprets your demand for this wire and delivers it across 14 industrial departments, with specialist depth in controls to support your installation needs.
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 553040401 used for?
This 18 AWG, 4-conductor, 250 ft thermostat wire is used for low-voltage HVAC control wiring, including thermostats, zone valves, and heating/cooling equipment. It is CL2 rated for in-wall installation in non-plenum spaces, providing reliable signal transmission for residential and commercial climate control systems.
What are the specifications of Southwire thermostat wire 553040401?
The Southwire thermostat wire (MPN 553040401) features 18 AWG conductor size, 4 conductors, 250 ft overall length, and 150 V voltage rating. It is CL2 rated for non-plenum applications, ensuring safe low-voltage wiring for HVAC controls. The wire is suitable for standard thermostat and zone valve connections.
Where to buy Southwire thermostat wire 553040401 worldwide?
You can source Southwire thermostat wire 553040401 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this wire for HVAC installations globally.
How to install Southwire thermostat wire 553040401?
Install this CL2-rated wire in non-plenum spaces per local electrical codes. Strip insulation carefully to avoid nicking conductors, connect to thermostat and HVAC terminals using screw terminals or push-in connectors, and secure wire with staples or cable ties. Avoid running near high-voltage lines to prevent interference.
Used in
Common applications for SOUTHWIRESOUTHWIRE 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.















