Dual Gates Only - Chamberlain LA500 Installation Manual

WIRING
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.
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.

DUAL GATES ONLY

20
Junction Box
Extension Cable
!
!
PVC Conduit
Terminal Block Connector
Extension Cable Operator Cable
DUAL GATES ONLY
Operator Cable
Within
3 feet