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Additional resources

  • Ready-to-go forms -- This document can help you submit a product to UL for Listing to the following Standards: UL 864, 1480, 1481, 1711, 2017 and ULC S527, S559, C22.7. If you have any questions or comments, contact us.
  • Linear transformers -- This form can be use to provide information on linear transformers for UL's examination and report preparation.
  • Transformer switching -- Required information describing the transformer construction for UL's examination and report preparation.
  • Smoke detector compatibility -- Provided to UL by either the control unit or manufacturer when submitting for a compatibility evaluation.
  • UL 864 review -- UL 864 installation wiring diagram/instructions and operating instructions review.