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 engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SOUTHWIRE
Manufacturer Part Number
26978706
Voltage
600 V

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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg, TFN (MPN 26978706)
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, White, 500 ft Lg, TFN (MPN 26978706)
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Red, 500 ft Lg, TFFN (MPN 26979506)
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Red, 500 ft Lg, TFFN (MPN 26979506)
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Green, 500 ft Lg, TFFN (MPN 26981106)
SOUTHWIRE
Building Wire: Copper, 18 AWG, 1 Conductors, Solid, Green, 500 ft Lg, TFFN (MPN 26981106)
This 18 AWG stranded copper building wire is rated for 600 V and features white TFFN insulation. It is suitable for general-purpose wiring in control circuits, lighting, and appliance wiring in dry locations
SOUTHWIRE
This 18 AWG stranded copper building wire is rated for 600 V and features white TFFN insulation. It is suitable for general-purpose wiring in control circuits, lighting, and appliance wiring in dry locations
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27033001)
SOUTHWIRE
Building Wire: Copper, 16 AWG, 1 Conductors, Stranded, White, 500 ft Lg, TFFN (MPN 27033001)
This 18 AWG solid copper building wire features yellow TFN/TFFN insulation and is rated for 600 V. It is suited for general-purpose wiring in control circuits, lighting, and appliance connections within residential, commercial, and industrial settings
SOUTHWIRE
This 18 AWG solid copper building wire features yellow TFN/TFFN insulation and is rated for 600 V. It is suited for general-purpose wiring in control circuits, lighting, and appliance connections within residential, commercial, and industrial settings

More from SOUTHWIRE

View all SOUTHWIRE parts →
16 AWG, 1-conductor, stranded copper TFFN building wire rated for 600 V. Tan color, supplied in 500 ft length. Suitable for general-purpose wiring in dry locations, including control circuits, appliance wiring, and lighting fixtures
SOUTHWIRE
16 AWG, 1-conductor, stranded copper TFFN building wire rated for 600 V. Tan color, supplied in 500 ft length. Suitable for general-purpose wiring in dry locations, including control circuits, appliance wiring, and lighting fixtures
18 AWG solid copper conductor with TFN/TFFN insulation rated for 600 V and 90 °C dry / 75 °C wet. Suitable for general-purpose wiring in conduit and raceway systems for lighting, control circuits, and appliance connections in residential and commercial construction
SOUTHWIRE
18 AWG solid copper conductor with TFN/TFFN insulation rated for 600 V and 90 °C dry / 75 °C wet. Suitable for general-purpose wiring in conduit and raceway systems for lighting, control circuits, and appliance connections in residential and commercial construction
Single-conductor, stranded 18 AWG copper wire with a brown jacket, rated 600 V. Suitable for control circuits, appliance wiring, and internal machine connections in conduit or raceway installations
SOUTHWIRE
Single-conductor, stranded 18 AWG copper wire with a brown jacket, rated 600 V. Suitable for control circuits, appliance wiring, and internal machine connections in conduit or raceway installations
Single-conductor, stranded copper wire with TFFN insulation rated for 600 V. Suitable for general-purpose building wiring, control circuits, and appliance wiring in dry locations. Purple jacket, 500 ft length
SOUTHWIRE
Single-conductor, stranded copper wire with TFFN insulation rated for 600 V. Suitable for general-purpose building wiring, control circuits, and appliance wiring in dry locations. Purple jacket, 500 ft length
16 AWG stranded copper conductor with TFFN insulation, rated 600 V. Single conductor in blue, 500 ft length. Suitable for general-purpose wiring in dry locations, including control circuits, appliance wiring, and lighting systems
SOUTHWIRE
16 AWG stranded copper conductor with TFFN insulation, rated 600 V. Single conductor in blue, 500 ft length. Suitable for general-purpose wiring in dry locations, including control circuits, appliance wiring, and lighting systems
18 AWG solid copper conductor with purple insulation, rated 600 V. Suitable for building wiring in control circuits, lighting, and appliance connections in dry or damp locations. Length 500 ft
SOUTHWIRE
18 AWG solid copper conductor with purple insulation, rated 600 V. Suitable for building wiring in control circuits, lighting, and appliance connections in dry or damp locations. Length 500 ft
SOUTHWIRE 27024901 is a 18 AWG stranded copper building wire with a single conductor, rated 600 V. The blue TFN/TFFN insulation is suitable for dry locations. Typical applications include general-purpose wiring in control circuits, lighting, and appliance wiring
SOUTHWIRE
SOUTHWIRE 27024901 is a 18 AWG stranded copper building wire with a single conductor, rated 600 V. The blue TFN/TFFN insulation is suitable for dry locations. Typical applications include general-purpose wiring in control circuits, lighting, and appliance wiring
16 AWG stranded copper conductor with TFFN insulation, rated 600 V. Orange jacket, 500 ft length. Suitable for general-purpose wiring in residential and commercial buildings, including control circuits, lighting, and appliance wiring
SOUTHWIRE
16 AWG stranded copper conductor with TFFN insulation, rated 600 V. Orange jacket, 500 ft length. Suitable for general-purpose wiring in residential and commercial buildings, including control circuits, lighting, and appliance wiring