10 AWG High Temp SIS Switchboard Wire - 125C

The professional standard for high-density control panelsengineered with high-performance XLPE insulation and tinned copper for maximum reliability in environments up to 125C.”

Why Professionals Choose SIS Switchboard Wire

The 10 AWG SIS wire is a high-output, high-temperature conductor designed for heavy-duty electrical systems, fully compliant with UL 3173 standards. It is the primary choice for main power feeds in industrial switchgear and high-current control panels. Our Cross-linked polyethylene(XLP) insulation is thermoset, ensuring that even under heavy electrical loads, the jacket maintains its physical integrity without melting or becoming brittle.

• 125C Heat Resistance: Rated for continuous use in extreme thermal environments where standard building wire (90C) fails.

• Tinned Copper Conductor: Features a tin coating over the stranded copper to prevent corrosion and ensure effortless soldering and termination in high-humidity panels.

• Chemically Cross-Linked (XLP): The insulation is chemically bonded to ensure it maintains structural integrity under extreme heat.

• UL 3173 / CSA CL1251 Rated: Fully compliant with industrial standards for switchgear, control circuits, and internal appliance wiring.

SIS Technical Specifications

ENGINEERING OVERVIEW: 10 AWG SIS UL 3173 600V

• APPLICATION: Internal wiring of switchboards, control panels, and power distribution equipment.

• VOLTAGE: Rated for 600 Volts.

• CONDUCTORS: 104-strand soft drawn tinned coated copper per ASTM B33 and B174.

• INSULATION: Cross-linked polyethylene (XLP), Type SIS.

• TEMPERATURE: 125C (257F).

• NOMINAL OD: 0.181 inches (4.60 mm).

Common 10 AWG SIS Applications

• Main Panel Power Infeeds: Providing the primary internal power source for mid-sized industrial control centers.

• Industrial Battery Storage: Wiring connections for large UPS battery banks where heat management is critical.

• Generator Control Circuits: Reliable power distribution for backup generator control logic and starter circuits.

• Commercial Oven Wiring: Used for the internal power connections in industrial baking and heat-treating equipment.

• Renewable Energy Inverters: Wiring the internal high-current DC side of commercial-grade solar or wind inverters.

Technical Note:All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyers responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.