UL 1569 Hook-Up Wire — 80/90/105°C / 300V PVC Insulation, Horizontal Flame — México

Style 1569 occupies a distinct position in the UL Subject 758 PVC wire family: it delivers the same 300 Vac voltage rating and up to 105°C thermal performance as Style 1015, but with a significantly thinner PVC insulation wall — 15 mils minimum average for 30–10 AWG versus 1015’s 30 mils. This reduced wall profile translates directly into smaller overall wire diameter and lower weight per meter, making Style 1569 the preferred specification for compact harness assemblies inside appliances and electronic equipment where routing space is limited and wire diameter is a design constraint.

For Mexican OEM appliance manufacturers and electronics assembly operations, Style 1569 provides UL-recognized thermal and flame performance in a lighter, more compact build than the standard 600V-class alternatives — an important consideration in high-density PCB-adjacent wiring and miniaturized appliance designs increasingly prevalent in México’s export-oriented manufacturing sector.

UL Style 1569 cross-section diagram 15 mil thin PVC insulation 300V 105°C

Technical Specifications — UL Style 1569

Parameter	Value
UL Style	1569
UL Subject	758, Section 1
Temperature Rating	80°C / 90°C / 105°C
Voltage Rating	300 Vac
Flame Rating	Horizontal flame
AWG Range	30 AWG – 2 AWG, solid or stranded
Conductor	Solid or stranded copper
Insulation Material	Extruded PVC
Insulation Thickness — 30–10 AWG	15 mils min average / 13 mils min at any point
Insulation Thickness — 9–2 AWG	30 mils min average / 27 mils min at any point
Optional Covering	Extruded PVC — 9 mils min average / 8 mils min at any point
Typical Use	Internal wiring of appliances or electronic equipment — not subjected to movement or mechanical damage (cableado interno estático)
Optional Marking	600 Volts 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 en Equipos Eléctricos y Electrónicos en México

Style 1569’s thin-wall PVC construction and 105°C thermal ceiling serve a specific set of internal wiring applications where compactness and thermal performance matter more than voltage headroom above 300V:

PCB-adjacent internal wiring in consumer appliances — fine-gauge 1569 wire in 24–30 AWG connects sensor outputs, display panel feeds, and low-current control signals between PCBs inside compact appliances such as air purifiers, coffee machines, and microwave control boards assembled in México’s electronics manufacturing clusters in Guadalajara and Tijuana.
Electronic equipment internal harnesses — static wiring paths inside desktop computers, industrial computers, and test equipment enclosures where the 105°C rating handles heat generated by processors and power supplies in sealed chassis, and the thin wall allows clean routing in tight cable management channels.
Small motor and fan lead wiring — internal leads from small AC fan motors and pump motors in appliances where the 300V rating is adequate and the thinner insulation wall allows routing through narrow wire management clips and grommets in compact enclosure designs.
Exportador supply for re-export assembly — Mexican exportadores sourcing UL 1569 from China for supply to electronics assembly operations producing finished goods for the U.S. and European markets specify this style for its combination of UL recognition, compact build, and 105°C thermal capability that satisfies most consumer electronics internal wiring specifications.

Engineering Notes — Thin Wall, Static Routing, and Covering Options

15-mil wall vs. 30-mil: practical diameter impact: The 15-mil minimum average PVC wall of Style 1569 (30–10 AWG range) versus the 30-mil wall of Style 1015 at the same AWG results in a meaningful reduction in overall wire outer diameter — approximately 0.6–0.8 mm smaller depending on conductor build. In harness assemblies routed through grommets, conduit, or wire management slots inside compact appliance enclosures, this difference determines whether the harness fits without modification. Factor actual outer diameter into enclosure routing design from the specification stage.

Static routing requirement — not for repeated flex: UL Style 1569’s use classification explicitly restricts it to internal wiring not subjected to movement or mechanical damage. It is not rated for dynamic flex applications — door hinge loops, drawer-mounted harnesses, or cable carrier chains. For dynamic routing paths in the same appliance, Style 1007 or 1015 with appropriate stranded conductor builds should be specified instead. Mixing static and dynamic wire specifications within the same appliance harness is common practice and appropriate when each wire segment’s movement classification is assessed individually.

Optional PVC covering for abrasion resistance: The optional extruded PVC outer covering at 9 mils minimum average adds a protective layer over the base insulation without significantly increasing overall wire diameter. Specify this option for routing paths where light abrasion against enclosure edges or adjacent components is possible — it provides mechanical protection without upgrading to a heavier insulation wall style.

Wall thickness step-up at 9–2 AWG: Style 1569 specifies a 30-mil minimum average wall for 9–2 AWG — the same wall thickness as Style 1015 at equivalent sizes. The thin-wall advantage of 1569 therefore applies primarily to the 30–10 AWG range. For heavier gauge applications in the 9–2 AWG range where compact diameter is the driving specification, evaluate actual outer diameter against Style 1015 before assuming 1569 provides a size benefit.

Request a Quote — Solicitar Cotización

Submit your AWG, temperature grade, optional covering requirement, 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.