THHN/THWN-2 Cable
Cablcon THHN/THWN-2 Copper Conductors are 600V, high heat-resistant cables designed for installation in conduit or cable trays across commercial and industrial applications. With a durable thermoplastic insulation and water-resistant nylon jacket, these conductors offer smooth installation without pulling lubricants and support multiple ratings based on use. For full technical details, view the THHN/THWN-2 Product Sheet or contact the Cablcon team for additional support.

Applications
- Designed for harsh environments
- Ideal for residential wiring, commercial buildings, underground conduits and cable trays
- Suitable for environments requiring:
- High voltage power (600V rated)
- UV resistance (8AWG and larger)
- Indoor and outdoor installations
- CT rated conductor (1/0 AWG and larger)
Construction
- Conductors:
- Concentric-Lay-Stranded Copper
- Wire Combination Unilay-Stranded Copper
- Insulation: Heat, moisture, Gasoline and Oil Resistant II PVC
- Sheath: Nylon Jacket
Features
- Stranding Types:
- Stranded Combination-Ulinay: sizes 8 AWG – 3/0 AWG
- Stranded Compressed: sized 4/0 AWG & larger
- Class C stranding: sizes 8 AWG – 2 AWG
- Class B stranding: sizes 1 kcmil – 1000 kcmil
- Voltage: 600V rating
- Temperature Ratings:
- THHN: Dry locations up to 90°C
- THWN-2: Wet/dry locations up to 90°C or 75°C when exposed to oil
- Flame Performance: VW-1 / FT-1 (all sizes)
Standards & Certifications
- RoHS Compliant
- ASTM B8 and ASTM B787 – 19 Conductors
- UL® 83, UL® 758, UL® 1063, UL® 1685 and c(UL) Listed
- CSA C22.2 No. 75
- ICEA S-95-658 (NEMA WC70) – Power cables ≤ 2000 volts
- Federal Spec A-A-59544
- NMX-J-010-ANCE
- NOM-063-SCFI
- Eligible for LEED v4.1 MRc6 credit (Lead content < 300 ppm)
Looking for a Complete Power Assembly Solution?
THHN/THWN-2 Cable is one of the many components used in Cablcon’s Custom Power Assemblies & Whips. If you need a fully engineered, ready-to-install solution, explore how our team designs power assemblies tailored to your exact specifications.


