SIS
Product Overview
SIS (Switchboard and Switchgear) wire combines stranded tinned copper conductors with flame-retardant cross-linked polyethylene (XLPE) insulation, engineered specifically for critical electrical distribution applications. This professional-grade 600V-rated wire excels in temperatures up to 90°C (125°C for dual-rated versions) while providing exceptional resistance to moisture, chemicals, and oils. Available in comprehensive size ranges (14 AWG to 4/0 AWG for NEC SIS compliance, 18-14 AWG marked "Suitable for switchboard use"), with multiple dual-rating certifications including UL 3173
Available Gauge Sizes
10 gauge sizes in stock for SIS. Click a size to start configuring your order.
Stranding & Construction
Stranding Options
8 stranding configurations available.
Conductor
Insulation
Voltage Rating
Temperature Rating
Available Insulation Colors
11 color options in stock. Custom striping and ID print available on request.
