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Anyone can obtain information about the validity of a given certification by contacting the UL Customer Experience Center. Phone number: 1-877-854-3577 — Email: CEC@ul.com
Power-Limited Fire Alarm cables (FPL) are listed by the NEC (National Electric Code) as being suitable for general purpose fire alarm use. This listing excludes installation in riser, ducts, plenums and other space used for environmental air unless the cable is installed in conduit.
Power Limited starts out with the power supply. If the power supply isn't limited, and can provide high levels of voltage or current, a problem with the wire or devices can cause fires or injure people.
The frequently asked questions (FAQ) can help you troubleshoot your way out of most fire safety and CO alarm equipment problems, including smart devices. There, you’ll find answers to the most common questions, articles, user manuals and other documents. You can submit a specific question via email for an individual response. And our Customer ...
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Sep 18, 2023 · Power-limited, or PL cables, are intended to connect to power supplies that limit the power and voltage that can travel through the cables. Conversely, non-power-limited cables do not require a power source that is limited, and can work with voltages typically up to 600V.
