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  • PHL Inc
    PHL Inc
    215-345-8407
    3859 Old Easton Rd., 18901  Doylestown

    February 2010 PHL McCabe Electro Thermal Fire Link Upgrade Underwriters Laboratories (UL File 864 9th Edition) requires that all fire and smoke alarm devices allow electrical supervision of not only the device, but also the corresponding leads. The PHL McCabe Electro Thermal Bi-metal Resettable Fir…