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High Temperature Cables

UL 1056 PVC Appliance Wire, 105°C 600V

UL 1056 is a UL-certified PVC appliance wire rated 105°C and 600 V AC for internal wiring in indoor or outdoor refrigerating equipment. Its stranded copper conductor and thick PVC wall form a single-conductor lead for equipment assemblies that specify this AWM style.

  • Voltage: 600 V AC
  • Temperature: 105°C
  • Insulation / covering: extruded PVC
  • Size selection: 20–10 AWG
  • Certification: UL-certified AWM; UL 758
Product information
Product overview

UL 1056 wire selection

UL 1056 is a UL-certified PVC appliance wire rated 105°C and 600 V AC for internal wiring in indoor or outdoor refrigerating equipment. Its stranded copper conductor and thick PVC wall form a single-conductor lead for equipment assemblies that specify this AWM style.

The six configurations below run from 20 AWG to 10 AWG. All use a nominal 1.52 mm insulation wall, while the finished diameter increases from 4.00 mm to 6.05 mm. That difference matters when a replacement lead must fit an existing terminal boot, entry sleeve or harness route. Match both the conductor size and the available clearance before selecting a row.

For refrigeration equipment, check the temperature at the connection as well as along the wire route. A hot terminal or a restricted passage can govern the selection even when the surrounding cabinet is cooler. The equipment wiring application does not establish suitability as an exposed outdoor power cord.

See the Specifications tab for the model and size tables. Browse the high-temperature cable range for related constructions. Compare higher-temperature silicone hook-up wire family when PVC is outside the duty range.

Construction

Construction

UL 1056 uses the following conductor and insulation system. The diagram illustrates the layer sequence; select the conductor construction and covering shown in the required size specification.

Illustrative UL 1056 single-core conductor and insulation construction cutaway
Illustrative UL 1056 construction; layer dimensions are not to scale.
UL 1056 construction layers
ComponentConstruction detail
ConductorStranded bare or tinned copper
InsulationExtruded PVC
ConstructionSingle insulated conductor
Applications

Applications

UL 1056 suits internal lead connections in refrigerating equipment where the equipment specification calls for 600 V PVC insulation at 105°C. Keep the lead supported inside the assembly and check entry protection at sheet-metal edges.

Illustrative UL 1056 insulated lead routed inside industrial equipment
Illustrative UL 1056 equipment application; shown as an installation concept.

UL 1056 replacement selection

For replacement enquiries, include the existing wire marking and the equipment connection drawing so the conductor, insulation and terminal arrangement can be matched.

Specifications

Specifications

UL 1056 technical data
ParameterSpecification
UL styleUL 1056
Voltage rating600 V AC
Temperature rating105°C
Insulation / coveringextruded PVC
Conductor size coverage20–10 AWG
Nominal PVC wall1.52 mm / 0.060 in
Minimum average PVC wall60 mils
Minimum PVC wall at any point54 mils
UL 1056 size and dimension table
Model and conductor sizeStranding (No. × mm)PVC wall (mm)Nominal OD (mm)
UL 1056 20 AWG21 × 0.181.524.00
UL 1056 18 AWG16 × 0.2541.524.20
UL 1056 16 AWG26 × 0.2541.524.50
UL 1056 14 AWG41 × 0.2541.524.95
UL 1056 12 AWG65 × 0.2541.525.40
UL 1056 10 AWG105 × 0.2541.526.05

Selecting the specified construction

Specify UL 1056, AWG, bare or tinned conductor, insulation colour and required length. Match the 1.52 mm wall and finished diameter when replacing an existing harness lead.

Standards

Standards

TEBAOFLEX UL 1056 wire is UL-certified appliance wiring material.

UL 1056 certification and standards
ItemRequirement or reference
CertificationUL-certified AWM
Style designationUL 1056
Construction standardUL 758 — Appliance Wiring Material
Style flame classificationHorizontal flame

Identify the UL style, conductor size, voltage and temperature grade on the purchasing specification. Include the required product identification and certification documents with the enquiry.

Engineering-led quotation

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