Chamberlain LA400 Owner's Manual page 11

INSTALLATION
» OVERVIEW OF TYPICAL INSTALLATION
DUAL GATE
Hinge
Antenna
Control Box with
Batteries
PVC Conduit (not provided) to protect
the low voltage wire from lawn
mowers and string trimmers.
12 Gauge Wire
8 feet
(2.4 m)
Warning Sign
Post Bracket
Gate Bracket
Gate 1
Operator Cable
Photoelectric Sensors
Earth Ground
Installation (Optional)
Junction Box
Gate 2
NOTE: One or more non-contact sensors shall be located
where the risk of entrapment or obstruction exists at
either the opening or closing direction. Care shall be
exercised to reduce the risk of nuisance tripping, such as
when a vehicle trips the sensor while the gate is still
moving.
10
Extension Cable
Photoelectric Sensors