SIS

SIS (Switchboard and Switchgear) Wire Features

Conductor:

Tinned copper

Solid (18-12 AWG)

Stranded (18 AWG - 4/0 AWG)

XLPE thermoset insulation

Available in multiple colors

600V AC rating

Temperature ratings:

SIS: 90°C

Dual ratings: 90°C to 125°C

Resistance properties:

Moisture resistant

Chemical resistant

Oil resistant

Hydraulic fluid resistant

Thermoset characteristics:

Natural fire resistance

Enhanced durability

Excellent stability

Size-specific markings:

14 AWG - 4/0: "SIS"

18-14 AWG: "Suitable for switchboard use"

Dry location installations:

Electrical switchgear

Control panels

Substations

Switchboards

Equipment wiring

Industrial control systems

Power distribution panels

NEC Table 310.104(A)

CSA SIS/CL1251

UL certifications:

UL 3173

UL 3195

UL 3196

UL 3320

VW-1 flame test (most types)

Note: For dry locations only