THHN Building Wire, 600 MCM Stranded Bare Copper, Black
This 600 MCM THHN building wire features a stranded bare copper conductor for maximum current-carrying capacity in high-ampacity feeder and service entrance applications. Available cut to length from a reel, this wire is listed for use in conduit and cable trays in both wet and dry locations.
Key Features
- 600 MCM (kcmil) stranded copper conductor for very high current capacity
- Annealed (soft) copper, compressed — for reliable conductivity and flexibility
- High heat and moisture resistant PVC insulation
- Abrasion, moisture, gasoline, and oil resistant nylon jacket
- Black color-coded for standard wiring identification
- Can be used in wet or dry locations
- Cut reel packaging for job-site flexibility
Compliance
- UL Listed
- CSA Certified
- RoHS Compliant
Applications
600 MCM THHN wire is used in heavy commercial and industrial electrical construction for large feeder circuits and service entrance conductors pulled through conduit or installed in cable trays. The high MCM rating is appropriate for applications with very large ampacity requirements such as main service feeders and large motor circuits.
Product Details
- Manufacturer: Graybar Vendor
- Model: THHN-600MCM-BLK-CUT REEL
- Conductor Size: 600 MCM
- Conductor Type: Stranded Bare Copper
- Color: Black
- Packaging: Cut Reel




