Garage Door Parts - Elite El25 Telephone Entry and Access Control System (Gray Shown in Picture)

thank you for choosing liftmaster this video will show you how to wire power for several liftmaster telephone entry systems this video is intended for demonstration purposes only please consult the manual for complete instructions and safety information whether you're installing the e l 2000 SS e l 25 l 1 SS or the ipaq telephone entry system there are certain best practices you should observe start by disconnecting power at the fuse box or circuit breaker do not run telecommunication lines through the same conduit with high-voltage lines avoid damaging underground gas and electric lines by contacting utility companies before digging more than 18 inches deep contact the building inspectors office in the municipality where you plan to install the unit for correct grounding materials and installation procedures always reference local building codes including a STF the international buildi