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1/0 T90/TWN75 · Copper Black Wire Cut to Length
SKU: WI-1/0T90
1/0 AWG single-conductor copper building wire with T90/TWN75 PVC and nylon insulation for 600 V dry or damp location raceway installations. Commonly used for feeders and larger branch circuits where black phase identification is required; actual ampacity and application depend on installation method, termination temperature, and Canadian Electrical Code requirements.
What this product is for
This 1/0 AWG copper T90/TWN75 building wire is used for general purpose power wiring in raceways for commercial and industrial installations in Canada. It is a single black insulated conductor rated 600 V with PVC insulation and a nylon covering.
Use for
Use for feeders, larger branch circuits, panel connections, and equipment wiring in dry or damp locations where T90/TWN75 conductors are specified. It is commonly pulled in conduit for service, distribution, and equipment runs.
Avoid for
Avoid direct sunlight exposure unless the specific listing confirms sunlight resistance. Avoid cable tray use where T90/TWN75 is not permitted, and do not use where a jacketed cable assembly such as TECK90, AC90, or RW90 tray cable is required.
Best for
Best for electricians and contractors needing a large single copper conductor for conduit runs with black phase identification. This type is suited to installations where reduced-friction nylon building wire helps with pulling in raceways.
Installed in
Typically installed in conduit and raceways in commercial buildings, industrial facilities, service rooms, mechanical spaces, and distribution systems. Typical circuit sizing and conductor selection must be confirmed against load, ambient conditions, conduit fill, and local code.
Why this product exists
T90/TWN75 wire provides a common Canadian building-wire option for 600 V systems where a single insulated copper conductor is needed in conduit. In larger sizes, this product family is commonly chosen for feeder work because it combines a 90 degC dry rating with a nylon jacket that helps during pulling.
Compared with similar products
Compared with RW90, T90/TWN75 is a PVC and nylon thermoplastic building wire rather than XLPE insulated wire. Compared with TECK90 or AC90, this is not an armoured cable assembly and is intended for raceway installation. As typical guidance only, 1/0 AWG conductors are commonly considered for larger feeder applications, but final sizing depends on code tables, termination ratings, and installation conditions.
Actual performance depends on installation conditions, insulation, layout, and local electrical code.
Specifications
- Conductor size: 1/0 AWG copper
- Conductor type: Single conductor building wire
- Insulation: PVC with nylon covering
- Cable type: T90/TWN75
- Voltage rating: 600 V
- Temperature rating: 90 degC dry, 75 degC wet, 60 degC when exposed to oil
- Colour: Black
- Installation: Raceways and conduit, exposed or concealed wiring where permitted
- Minimum recommended installation temperature: -10 degC (14 degF) with suitable handling procedures
- Flame rating: FT1
- Sunlight resistance: Not sunlight resistant
- Country context: Canadian commercial and industrial building wire
- Voltage600 V
- ColourBlack
- Conductor Size1/0 AWG copper
- Temperature Rating90 degC dry, 75 degC wet, 60 degC when exposed to oil
- InsulationPVC with nylon covering
- Cable TypeT90/TWN75
- Flame RatingFT1
- InstallationRaceways and conduit, exposed or concealed wiring where permitted
- Minimum Recommended Installation Temperature-10 degC (14 degF) with suitable handling procedures
- Conductor TypeSingle conductor building wire
- Sunlight ResistanceNot sunlight resistant
- BrandsWhite Label
- Stock in Flesherton267
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