UL 1015 12 AWG Hook-Up Wire — 80/90/105°C / 600V PVC, Horizontal Flame — México
Style 1015 in 12 AWG occupies a critical position in the Mexican appliance and industrial wiring market: it delivers the current capacity needed for main motor supply leads and compressor terminal connections while staying within the standard 600Vac / 750Vdc insulation rating of the 1015 family. Certified under UL Subject 758 with extruded PVC insulation at 30 mils minimum average wall and available in 80°C, 90°C, and 105°C temperature grades, this wire covers the full range of demanding internal wiring applications where 14 AWG approaches its continuous current limits.
For Mexican importers, maquiladora procurement teams, and electrical wholesale distribuidores sourcing from China, 12 AWG Style 1015 is a core specification wire — consistently in demand across refrigeration, HVAC, power tool, and industrial control panel assembly operations throughout México’s manufacturing corridors.

Technical Specifications — UL Style 1015 / 12 AWG
| Parameter | Value |
|---|---|
| UL Style | 1015 |
| UL Subject | 758, Section 1 |
| Temperature Rating | 80°C / 90°C / 105°C (optional: 60°C oil resistant / 80°C oil resistant) |
| Voltage Rating | 600 Vac / 750 Vdc |
| Flame Rating | Horizontal flame |
| AWG Size | 12 AWG (certified range: 30 AWG – 2000 kcmil) |
| Conductor | Solid or stranded copper |
| Insulation Material | Extruded PVC |
| Insulation Thickness | 30 mils min average / 27 mils min at any point (30–9 AWG range) |
| Typical Use | Internal wiring of appliances (cableado interno de aparatos) |
| Optional Marking | 2,500 V Peak — For Electronic Use Only |
| Available Colors | Black, white, red, yellow, green, blue, brown, orange, gray (custom on request) |
| Standard Spool Length | 100 m / 200 m / 305 m |
| MOQ | Contact for quote — consultar cotización |
Applications — Aplicaciones de Alta Demanda en México
12 AWG at 600V is the heavy-duty internal wiring standard for appliances and industrial equipment where sustained high current loads demand a conductor cross-section beyond what 14 AWG can reliably deliver:
- Commercial refrigeration compressor leads — walk-in cooler and freezer hermetic compressor terminal connections in supermarket and food service equipment manufactured or distributed across México, where 12 AWG handles the locked-rotor and running current of larger compressor motors within the 600V insulation rating.
- Central air conditioning unit wiring — internal supply and control leads in packaged rooftop HVAC units assembled in Nuevo León and Coahuila for commercial building projects across México, where 12 AWG feeds fan motor terminals and compressor contactors at sustained current levels exceeding 14 AWG safe capacity.
- Industrial power tool internal wiring — main motor supply leads in heavy-duty electric drills, angle grinders, and table saws manufactured or imported into México’s construction and woodworking equipment sectors, where the combination of high inrush current and 600V insulation is required by UL and NOM product safety standards.
- Maquiladora harness supply and wholesale distribution — Mexican electrical wholesale distribuidores and harness assembly operations across the Bajío and northern border manufacturing zones stock 12 AWG 1015 as a primary SKU for resale and production use, given its applicability across multiple appliance and industrial equipment categories.
Engineering Notes — 12 AWG Characteristics in Style 1015
Same 30-mil insulation wall as 14 AWG within the 30–9 AWG range: Both 12 AWG and 14 AWG fall within the 30–9 AWG insulation thickness tier of Style 1015, so the PVC wall specification is identical at 30 mils minimum average. The only physical difference between 12 and 14 AWG 1015 builds is the conductor cross-section — larger at 12 AWG, resulting in a modestly larger overall wire diameter. This is important for conduit fill and harness routing space calculations in compact appliance enclosures.
Current capacity advantage over 14 AWG: Under equivalent installation conditions inside sealed appliance enclosures, 12 AWG stranded copper carries approximately 15–20 A continuous load compared to 12–15 A for 14 AWG — a meaningful step up for motor and compressor applications where the current demand is predictable and continuous rather than intermittent. Confirm against actual enclosure thermal modeling before finalizing wire selection.
105°C grade for high-ambient tropical deployments: For appliances installed in México’s Gulf Coast, Yucatán Peninsula, and Pacific coastal zones where enclosure internal ambient temperatures peak at 60–70°C under summer operation, the 105°C temperature grade provides the most conservative safety margin and is the recommended default specification for compressor lead and motor terminal wiring in these regions.
750 Vdc rating for emerging DC applications: Style 1015 12 AWG at 750 Vdc is suitable for internal wiring in battery energy storage systems, DC-coupled solar inverters, and EV charging station internal harnesses — application categories growing rapidly in México’s industrial and commercial construction sectors. Confirm with UL and local NOM requirements for the specific equipment category before specifying.
Request a Quote — Solicitar Cotización
Submit your AWG, temperature grade, color, spool format, and annual volume estimate below. Our bilingual team responds with a formal cotización within 24 business hours. Wire samples available for qualification testing upon request.








