★ World First — UL-Authorized Laser-Marked SIS Cable

SIS, MTW,
THHN & AWM
Copper Wire

Built for industrial performance: soft-drawn copper conductors for control panels, machine tools, commercial construction and lighting fixtures. SIS switchboard wire and AWM 1015 are UL listed; the rest of the line is built to UL and CSA standards. Serving OEM manufacturers and electrical distributors across Texas and the Gulf Coast.

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Product Lines

600V

Rated Systems

UL/CSA

Standards

Control Panel Wiring

Industrial Machinery

Building Wire

Fixture Wire

★ World First

SIS Switchboard Wire.
Laser-Marked by UL Authorization.

Tinned flexible copper with XLPE thermoset insulation, UL 44, 600V, 90°C, 14 AWG to 4/0. Next Wire is the only manufacturer in the world authorized by UL to laser-mark SIS cable. Built for panel shops, switchboards, MCCs and control panels.

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UL 44Thermoset standard

14–4/0AWG sizes

XLPEInsulation

LaserUL-authorized marking

Flexible Industrial Wire → Building Wire → Fixture Wire →

Portfolio Overview

Product
Families

Our flagship SIS switchboard wire, plus three product families, each built to a specific UL standard and application. Specify with confidence.

SIS Switchboard Wire ★ World First

UL 44 thermoset switchboard wire in flexible tinned copper with XLPE insulation, 14 AWG to 4/0. The only SIS cable in the world with UL-authorized laser marking.

UL 44 600V · 90°C Laser Marked

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Flexible Industrial Wire

Class K stranded soft-drawn copper with flame-retardant PVC insulation. Rated for machine tool wiring (NFPA 79), control panel assemblies and appliance wiring material (AWM) applications.

AWM Style 1015 MTW Cable TEW Cable

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Building Wire

THHN/THWN-2 thermoplastic copper conductor with PVC insulation and nylon jacket. Suited to conduit and cable tray installations — services, feeders and branch circuits per NEC Article 310.

THHN / THWN-2

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Fixture & Equipment Wire

Copper conductors for luminaire internal wiring, ballasts and electrical equipment. Built to UL 66. Available in solid (TFN/TF) and flexible Class B stranding (TFFN) in 18 and 16 AWG.

TFN TFFN TF Wire

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Full Catalog

All Products

Product	Category	Standard	Voltage / Temp	Gauge
AWM 1015 Appliance Wiring Material Style 1015	Flexible	UL 758	600V / 105°C	22 – 10 AWG	Details →
MTW Machine Tool Wire	Flexible	UL 1063	600V / 90°C	18 AWG – 2/0 AWG	Details →
SIS Switchboard Wire	Flexible	UL 44 / CSA C22.2	600V / 90°C	14 AWG – 4/0 AWG	Details →
TEW Thermoplastic Equipment Wire	Flexible	UL 758 / CSA C22.2 No.127	600V / 105°C	24 – 10 AWG	Details →
THHN/THWN-2 Thermoplastic High Heat / Heat & Wet Nylon	Building	UL 83	600V / 90°C	14 AWG – 500 kcmil	Details →
TFN Thermoplastic Fixture Wire — Nylon	Fixture	UL 66	600V / 90°C	18 – 16 AWG	Details →
TFFN Thermoplastic Flexible Fixture Wire — Nylon	Fixture	UL 66	600V / 90°C	18 – 16 AWG	Details →
TF Thermoplastic Fixture Wire	Fixture	UL 66	600V / 90°C	18 – 16 AWG	Details →

Where We Perform

Applications

Control Panels & Panel Shops

MTW and SIS conductors rated for industrial control panel wiring per NFPA 79 and UL 508A. Suitable for Class I, II and III applications.

MTW SIS AWM 1015

Industrial Machinery & OEM Equipment

MTW and TEW conductors for CNC machine tools, robotics and automated manufacturing systems. Compliant with NFPA 79 for machine tool wiring.

MTW TEW AWM 1015

Commercial & Industrial Construction

THHN/THWN-2 for conduit and cable tray installations. Suitable for services, feeders and branch circuits in commercial, industrial and institutional buildings per NEC Article 310.

THHN THWN-2

Lighting & Fixture Systems

TFN, TFFN and TF fixture wire for luminaire internal wiring, commercial lighting installations, ballasts and listed lighting equipment.

TFN TFFN TF

Appliance Wiring Material (AWM)

UL 758-listed conductors for internal wiring of household and commercial appliances, HVAC equipment and industrial machinery requiring AWM-rated wire.

AWM 1015 TEW

Switchboard & Distribution Panels

XLPE insulated switchboard wire for power distribution panels and high-temperature connections.

SIS

Compliance

Standards &
Certifications

UL 758

Appliance Wiring Material (AWM). Flexible conductors for internal wiring of appliances and listed equipment. Applies to AWM Style 1015 and TEW. Required by appliance OEMs and listed equipment manufacturers.

UL 1063

Machine Tool Wire (MTW). Conductors for machine tool wiring per NFPA 79. Required for wiring inside industrial machinery, CNC equipment and automation systems.

UL 44

Thermoset-Insulated Wires and Cables. XLPE insulated conductors for switchboards, panelboards and motor control centers (MCCs). Applies to SIS wire.

UL 83

Thermoplastic-Insulated Wires and Cables. Building wire for conduit and cable tray installations — services, feeders and branch circuits per NEC Article 310. Applies to THHN/THWN-2.

UL 66

Fixture Wire standard for luminaire internal wiring and listed lighting equipment. Applies to TF, TFN and TFFN conductors in 18 and 16 AWG.

CSA C22.2

Canadian Standards Association — thermoset and thermoplastic insulated conductors for US-Canada cross-border supply chains. Applies to SIS and TEW products.

All Next Wire conductors are manufactured and tested to meet North American electrical standards for safety, durability and field performance. Every production run is verified for consistent compliance across gauge ranges and insulation types.

UL Listed

AWM 1015 and SIS cable are UL listed and carry listing marks on the reel. MTW, THHN/THWN-2, TEW and fixture wire are built to their UL standards, with listings in progress.

CSA Standards

Conductors built to CSA C22.2 requirements for US-Canada cross-border projects and OEM supply chains.

600V Rated

All conductors rated 600V. Suitable for wet, dry and oil-exposed locations per NEC.

NEC Compliant

Suitable for installation per NFPA 70 (NEC) and applicable local codes across the United States.

Get Pricing

Request a Quote

Next Wire supplies electrical distributors, panel shops, OEM manufacturers and electrical contractors across Texas and the Gulf Coast. Submit your specifications below — our technical team will respond with pricing within one business day.

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Same-Day Quote

Technical team responds with pricing within one business day

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Volume Pricing

Mill-direct pricing for distributors, wholesalers and high-volume OEM accounts

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Custom Specifications

Non-standard gauges, custom cut lengths, special color coding and private-label packaging on request

SIS, MTW, THHN & AWM Copper Wire

SIS Switchboard Wire.Laser-Marked by UL Authorization.

ProductFamilies