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

3G Electric
RFQ CartGet a QuoteSign inSign up
SOUTHWIRE Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg - Copper TFN/TFFN Building Wires
SOUTHWIRECopper TFN/TFFN Building Wires

SOUTHWIRE Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg

The SOUTHWIRE Building Wire is a copper TFN/TFFN building wire, model 26978706, featuring 18 AWG, 1 solid conductor in white, with a 500 ft length. It is rated for 600 V, suitable for industrial electrical applications.

SKU 3G-OTH-45048

Brand
SOUTHWIRE
Item
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg
Category
Copper TFN/TFFN Building 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
26978706
Voltage
600 V
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 Building Wire is a copper TFN/TFFN building wire, model 26978706, featuring 18 AWG, 1 solid conductor in white, with a 500 ft length. It is rated for 600 V, suitable for industrial electrical applications.

Frequently Asked Questions

What is SOUTHWIRE 18 AWG building wire used for?

SOUTHWIRE 18 AWG building wire is used for industrial electrical wiring in control panels, lighting circuits, and appliance connections. Its TFFN insulation resists heat and moisture, making it suitable for dry and damp locations up to 600 V.

What are the specifications of SOUTHWIRE 26978706 building wire?

The SOUTHWIRE 26978706 building wire is 18 AWG, solid copper, with 1 conductor in white. It has a 500 ft length, TFFN insulation, and a 600 V rating. This TFN/TFFN wire is designed for general-purpose industrial wiring.

Where to buy SOUTHWIRE building wire worldwide?

3G Electric supplies SOUTHWIRE building wire worldwide. We handle full logistics and customs clearance to deliver this 18 AWG copper wire to your facility. Contact us for a quote on the 26978706 model.

How to install SOUTHWIRE TFFN building wire?

Install SOUTHWIRE TFFN building wire in conduit or raceways per NEC guidelines. Use proper stripping tools to avoid nicking the solid copper conductor. Ensure connections are tight and rated for 600 V. Always de-energize circuits before handling.

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 copper tfn/tffn building 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
Building Wire: Copper, 18 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27022301). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27022301). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Yellow, 500 ft Lg, TFN (MPN 26982906). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Yellow, 500 ft Lg, TFN (MPN 26982906). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Gray, 500 ft Lg, TFN (MPN 26987806). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Gray, 500 ft Lg, TFN (MPN 26987806). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Brown, 500 ft Lg, TFN (MPN 26984506). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Brown, 500 ft Lg, TFN (MPN 26984506). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Orange, 500 ft Lg, TFN (MPN 26983706). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Orange, 500 ft Lg, TFN (MPN 26983706). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, Tan, 500 ft Lg, TFFN (MPN 29753101). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, Tan, 500 ft Lg, TFFN (MPN 29753101). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.

More from SOUTHWIRE

View all SOUTHWIRE parts →
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Red, 500 ft Lg, TFFN (MPN 26979506). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Red, 500 ft Lg, TFFN (MPN 26979506). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Green, 500 ft Lg, TFFN (MPN 26981106). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Green, 500 ft Lg, TFFN (MPN 26981106). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27033001). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27033001). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Wire: Copper, 16 AWG, 1 Conductors, Solid, Gray, 500 ft Lg, TFFN/TFN (MPN 26998504). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Wire: Copper, 16 AWG, 1 Conductors, Solid, Gray, 500 ft Lg, TFFN/TFN (MPN 26998504). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Wire: Copper, 16 AWG, 1 Conductors, Solid, Black, 500 ft Lg, TFFN/TFN (MPN 26988604). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Wire: Copper, 16 AWG, 1 Conductors, Solid, Black, 500 ft Lg, TFFN/TFN (MPN 26988604). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Stranded, Yellow, 500 ft Lg, TFFN (MPN 27026401). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Stranded, Yellow, 500 ft Lg, TFFN (MPN 27026401). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg, TFN (MPN 26978706). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg, TFN (MPN 26978706). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
Wire: Copper, 18 AWG, 1 Conductors, Stranded, Gray, 500 ft Lg, TFFN (MPN 27031401). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.
SOUTHWIRE
Wire: Copper, 18 AWG, 1 Conductors, Stranded, Gray, 500 ft Lg, TFFN (MPN 27031401). Key specifications — Voltage: 600 V; Brand: SOUTHWIRE.