LiftMaster LA500 LA500 Manual - Page 22

Dual Gates Only - driveway gate openers

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WIRING DUAL GATES ONLY INSTALL THE EXTENSION CABLE AND JUNCTION BOX Before digging, contact local underground utility locating companies. The following items are required to complete the junction box installation: • 4 x 4 Junction Box with 3/4" NPT threaded port holes • Screws • PVC Conduit 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 Mount the junction box within 3 feet (0.9 m) of second operator. 4 Route operator cable and extension cable through watertight connector nut and watertight connector. 5 Insert cables and watertight connectors into the holes in the bottom of the junction box (not provided). 6 Feed extension cable through PVC conduit and secure with nut. Extension Cable ! PVC Conduit DUAL GATES ONLY Junction Box Operator Cable ! Within 3 feet WIRE THE EXTENSION CABLE TO THE SECONDARY OPERATOR 1 Insert wires from extension cable and operator cable into the terminal block connector as shown (like-colored wires must face each other). 2 Put wires inside of junction box. 3 Secure operator and extension cables with watertight connector nut. 4 Reinstall cover. Terminal Block Connector Extension Cable Operator Cable 20

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20
DUAL GATES ONLY
DUAL GATES ONLY
WIRING
Before digging, contact local underground utility locating companies. The
following items are required to complete the junction box installation:
• 4 x 4 Junction Box with 3/4" NPT threaded port holes
• Screws
• PVC Conduit
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
Mount the junction box within 3 feet (0.9 m) of second operator.
4
Route operator cable and extension cable through watertight connector
nut and watertight connector.
5
Insert cables and watertight connectors into the holes in the bottom of the
junction box (not provided).
6
Feed extension cable through PVC conduit and secure with nut.
INSTALL THE EXTENSION CABLE AND JUNCTION BOX
!
!
PVC Conduit
Junction Box
Extension Cable
Operator Cable
Within
3 feet
1
Insert wires from extension cable and operator cable into the terminal
block connector as shown (like-colored wires must face each other).
2
Put wires inside of junction box.
3
Secure operator and extension cables with watertight connector nut.
4
Reinstall cover.
WIRE THE EXTENSION CABLE TO THE SECONDARY OPERATOR
Terminal Block Connector
Extension Cable
Operator Cable