LiftMaster LA400DC LA400DC Owner's Manual - Page 20

STEP 8 continued... DUAL GATES ONLY WIRED DUAL GATES INSTALLATION INSTALL A SECOND OPERATOR ARM Install a second operator arm by following installation steps 1-4. INSTALL THE EXTENSION CABLE AND JUNCTION BOX Before digging, contact local underground utility locating companies. 1. Trench across driveway to bury the extension cable. Use PVC conduit to prevent damage to cables. 2. Open the junction box by removing screws (4) and set aside. 3. Select holes to be used for mounting and knock out using a screwdriver and hammer. Drill two holes in the bottom of the junction box large enough for the watertight connectors. 4. Mount the junction box within 3 feet (0.9 m) of second operator. 5. Route operator cable and extension cable through watertight connector nut and watertight connector. 6. Insert the cables and watertight connectors into the holes in the bottom of the junction box. 7. Slide the connector nut onto the operator cable and extension cable. 8. Connect the wires from extension cable and operator cable to the terminal block connector as shown (like-colored wires must face each other). 9. Put wires inside of junction box. 10. Secure operator and extension cables by tightening the connector nut. 11. Reinstall cover. Operator Cable Terminal Block Brown Green White Yellow Blue Red Brown Green White Yellow Blue Red Mounting Slot Connector Nut Watertight Connector Connector Nut Operator Cable Extension Cable Within 3' (0.9 m) Extension Cable KtDpTPiMhlmeEoaidEyseneoPioeswnnttvCirtttliLiherhaIantEeonnncAusggjchtRauemiplt!GdeirursGriysaoeaaftrrontetueorwaoesmv.rapeereaChnsDryeiiacnaptmelgeean.oasrtahvottCeeehnaglaeytanutaternsayonerce 18 KtDpTPiMmlheEoadiEysenoePioeswnvnttCirtttliiLIherhanantEeonncAgusjgchtRuaemipGtl!dreiursGryisaaoeaftrrontteouerweaosrmv.apeereCaDhnsryeiiaacneptmlgeenaa.osrtahvtoCteehenaagleytanutaternsayoenrce PVC Conduit