Chamberlain GS400D Owner's Manual page 28

CONNECT WATERTIGHT CONNECTORS
3
Route operator cable and extension cable through watertight connector nut and watertight connector.
Insert cables and watertight connectors into the holes in the bottom of the junction box (not provided).
Feed extension cable through PVC conduit and secure with connector nut.
CONNECT WIRES IN JUNCTION BOX
4
Remove terminals from operator cable. Strip wires and twist like colored wires together with wire nuts.
SECURE JUNCTION BOX
5
Put wires inside of junction box. Secure operator
and extension cables with watertight nut. Reinstall
cover.
Operator Cable
Watertight Connector Nut
Wiring
Operator
Cable
Watertight Connector
Watertight Connector Nut
Wire Nut
Operator Cable
Junction Box
Extension Cable
Watertight Connector Nut
PVC Conduit
Junction Box (not provided)
Watertight Connector
Extension Cable
Watertight Connector Nut
PVC Conduit
Extension Cable
28
Junction Box
(not provided)
Screws (4)