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BULLETIN: Online Source of EPCV and Class XL Compounds - RELOCATED

July 12, 2017

UL’s list of presently available commercial compounds that we have investigated have been relocated. The list of compounds can be found on the Online Certifications Directory, under the UL Category Code ‘QMTT2’. Under each listing, the subcategories shown below provide a list of Certified compounds suitable for this application.

Heat-, and Moisture-curable EPCV Insulation Compounds for Thermoset-insulated Wire and Service-entrance Cable

Heat-, and Moisture-curable EPCV Insulation Compounds for Photovoltaic Wire

Heat-, Moisture-, and Irradiation-curable XL Insulation Compounds for Thermoset-insulated Wire and Service-entrance Cable

Heat-, Moisture-, and Irradiation-curable XL Insulation Compounds for Photovoltaic Wire

Heat-, Moisture-, and Irradiation-curable XL and EPCV 720-Hour Sunlight-resistant Jacket Compounds for Photovoltaic Wire

These compounds are heat-curable EPCV and heat- and moisture-cross-linkable synthetic-polymer (Class XL) compounds that are acceptable under the Type L Follow-Up Service program for thermoset-insulated wires and cables, service-entrance cables, and photovoltaic wire.

The compounds are considered interchangeable–without submittal to UL–with those compounds covered in the Follow-Up Service procedures assigned to a manufacturer for:

  • Thermoset-insulated wire and cable types SIS, XHH, XHHW and XHHW-2 rated 600 volts, and Types RHH, RHW and RHW-2 rated 600 – 2000 volts
  • Service-entrance cable types USE and USE-2 rated 600 volts
  • Photovoltaic wire insulation rated 600, 1000 or 2000 volts

Compounds that are acceptable for use on types XHHW, XHHW-2, RHW or RHW-2, and also acceptable for use on type USE or USE-2, are acceptable for use on the conductors in type SE service-entrance cable. Conductors in type SE cable are rated only for 600 volts.

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