Overview
Southwire SIMpull THHN 400 MCM (THHN-400MCM-BRN-SOU-CUT REEL) is a large-gauge stranded copper building wire featuring 37 conductors in a 400 MCM configuration, rated 600V with an 842 mil outside diameter, in brown insulation. UL Listed, NEMA rated, and RoHS/REACH compliant, this wire is specifically designed for service entrance, feeder, and branch circuit wiring installed in conduit for commercial and industrial power distribution. The SIMpull jacket technology reduces pulling tension for easier installation in long conduit runs. Available as a cut reel to order exact required lengths.
Features
- 400 MCM stranded copper conductor — high-capacity for service entrance and feeder applications
- SIMpull jacket reduces pulling tension for easier installation in conduit
- 600V THHN rating with 37-conductor construction for reliable power distribution
- Brown insulation for NEC-compliant phase identification in 480V systems
- UL Listed, NEMA rated, and RoHS/REACH compliant
- Available as cut reel — order the exact length required
Specifications
| Attribute | Value |
|---|---|
| Model | THHN-400MCM-BRN-SOU-CUT REEL |
| Manufacturer | Southwire |
| Brand/Line | SIMpull |
| Wire Type | THHN Building Wire |
| Size | 400 MCM |
| Conductors | 37 |
| Voltage Rating | 600V |
| Outside Diameter | 842 mil |
| Color | Brown |
| Standards | UL Listed, NEMA Rated, RoHS/REACH Compliant |
| Application | Commercial, Industrial |



