- 600 Volt.
- Copper Conductor.
- Cross-linked Polyethylene (XLP) Insulation.
- Low-Smoke, Low-Corrosivity, Sunlight Resistant.
- Rated VW-1.
- 1/0 and Larger Rated for CT Use.
Southwire Type SIS conductors are primarily used in switchboards and panel boards as specified in the 2011 National Electrical Code1. SIS conductors may be used at temperatures not to exceed 90°C for dry locations. Voltage rating for SIS conductors is 600 volts.