UL 3271 1 AWG XLPE Motor Lead Wire
UL AWM Style 3271 1 AWG XLPE wire, rated 125°C, 600 Vac and 750 Vdc, is a specific conductor-size configuration within Style 3271’s broader 30 AWG–2000 kcmil range, used as a motor lead or for internal wiring of appliances. This page is built around the 1 AWG SKU specifically — its confirmed insulation-wall requirement, optional construction features, and RFQ specification fields. 1 AWG represents this page’s SKU; it is not presented as universally correct for any particular motor power, current, or horsepower rating. Actual conductor sizing follows the buyer’s approved motor design, BOM, and end-product requirements.
The 55/50 Mil Insulation Bracket: What Distinguishes 1 AWG
UL Style 3271’s XLPE insulation-wall requirement is tiered by conductor size, and 1 AWG falls within the Style’s 1 AWG–4/0 AWG bracket: 55 mils minimum average thickness and 50 mils minimum thickness at any point. This is a different bracket from the 8–2 AWG group covered on our separate UL 3271 8 AWG and UL 3271 10 AWG Motor Lead Wire pages, which use a 45/40 mil requirement. Buyers moving between AWG sizes within Style 3271 should confirm which insulation bracket applies to their specific conductor size rather than assuming the same wall thickness carries across the whole Style. This page does not convert the 55/50 mil figure into an invented finished outside diameter; conductor geometry, including finished OD, is order-specific.
The Confirmed UL 3271 1 AWG Construction
| Parameter | UL 3271 |
|---|---|
| UL AWM Style | 3271 |
| Description | Single conductor with extruded insulation |
| Featured Conductor Size | 1 AWG |
| Style Conductor Range | 30 AWG – 2000 kcmil, solid or stranded |
| Temperature Rating | 125°C |
| Voltage Rating | 600 Vac / 750 Vdc |
| Flame | Horizontal flame |
| Insulation | Extruded XLPE, 55 mils min. average / 50 mils min. at any point (1 AWG–4/0 AWG group) |
| Optional Layer | Extruded or non-extruded semi-conductive polymeric layer over conductor |
| Marking | General; tags may optionally indicate 2500 V peak — for electronic use only |
| UL-Defined Use | Motor leads or internal wiring of appliances |
Conductor Material and Plating Are Not Fixed by This Style
UL Style 3271 does not establish tinned copper, bare copper, or any other single conductor finish as a universal property of this Style. This page does not describe UL 3271 1 AWG as a fixed tinned-copper product. If your BOM or drawing specifically requires tinned copper — for example, to match an existing terminal-lug specification or a project standard — state that requirement explicitly in your RFQ so it can be confirmed against the ordered construction. Do not assume tinned copper is required simply because it has appeared on a previous quotation or a different supplier’s listing.
“Stable Termination” Is Not a UL3271 Performance Characteristic
The Style data does not establish crimping performance, soldering performance, storage stability, or termination consistency as UL 3271 characteristics — these outcomes depend on the actual conductor construction, terminal or lug design, tooling, and process control used by the assembler, not on the Style number or conductor plating alone. This page does not claim that any particular conductor finish provides “better” or “more stable” termination results; if termination performance is a concern for your production line, that should be evaluated against your specific terminal, tooling, and process rather than inferred from a generic Style-level claim.
Optional Semi-Conductive Layer
UL Style 3271 permits an optional extruded or non-extruded semi-conductive polymeric layer over the conductor. This is an order-specific, optional feature — not a default component of every UL 3271 1 AWG wire. If your motor design requires this layer, state it explicitly in your RFQ.
1 AWG Does Not Establish Motor Current, HP, or kW Rating
This page does not publish a generic ampacity figure, motor horsepower rating, or kilowatt rating simply because the product is 1 AWG, and does not infer allowable motor current from the 1 AWG conductor size or the 600 Vac / 750 Vdc voltage ratings — these are separate parameters determined by motor design. Current-carrying suitability depends on the actual motor design, conductor construction, ambient conditions, and installation.
VFD and PWM Applications: Confirm Separately
UL 3271’s 600 Vac and 750 Vdc figures are the Style’s rated voltage limits — they do not by themselves establish VFD suitability or PWM voltage-spike performance for a variable-frequency-drive-fed motor. If your project involves a VFD-driven motor, confirm your actual circuit voltage and any VFD-specific requirement separately; this page does not make VFD-specific performance claims beyond the confirmed Style rating.
Common RFQ Gaps for UL 3271 1 AWG Motor Leads
Certain specification fields are frequently left out of an initial enquiry and typically require a follow-up before an accurate quotation can be issued. These are common information gaps, not observations about any particular buyer: UL 3271 and 1 AWG are stated but conductor form is omitted; a buyer assumes the 45/40 mil wall used for 2 AWG instead of the correct 55/50 mil requirement for 1 AWG; conductor material is not stated; plating requirement is not stated; a buyer asks for “tinned copper” without confirming whether that construction is actually required; maximum finished OD is omitted; terminal lug or connector details are missing; current is inferred only from 1 AWG; VFD suitability is assumed from motor-lead wording; a cut length is supplied without a tolerance; or packaging is not specified. Resolving these items before quotation reduces construction mismatch.
What UL 3271 Does Not Automatically Define
The Style data does not automatically define: conductor material, conductor plating, strand count, strand diameter, lay length, conductor resistance, ampacity, current rating, motor HP, motor kW, motor insulation class, finished OD, bend radius, flex-cycle rating, VFD suitability, PWM performance, terminal compatibility, connector compatibility, standard colour, reel length, cut-length tolerance, MOQ, stock availability, lead time, or production capacity. These remain drawing, RFQ, or ordered-construction parameters where relevant.
RFQ Checklist for UL 3271 1 AWG XLPE Motor Lead Wire
To request an accurate quotation, please provide:
- UL AWM Style 3271
- 1 AWG
- Solid or stranded
- Conductor material, if controlled
- Conductor plating, if controlled
- 125°C requirement
- 600 Vac requirement
- 750 Vdc requirement
- Motor-lead application
- 55/50 mil XLPE insulation requirement (confirmed for 1 AWG)
- Optional semi-conductive layer required or not required
- Insulation colour
- Nominal or maximum finished OD, if controlled
- Terminal / contact type
- Connector information
- Termination method
- Cut length, if applicable
- Cut-length tolerance
- Quantity
- Reel or packaging requirement
- Destination
- Documentation requirements
Applicable RoHS / REACH documentation can be confirmed according to the ordered construction.
See the UL 3271 XLPE Wire category, our XLPE Wire range, or our AWM Wire category for other conductor sizes within this Style.
