![Chamberlain LiftMaster Professional SW425 Owner'S Manual Download Page 8](http://html1.mh-extra.com/html/chamberlain/liftmaster-professional-sw425/liftmaster-professional-sw425_owners-manual_2587524008.webp)
8
STREET
Secondary
Gate Operator
Photo eye for
open cycle
Photo eye for
open cycle
Primary Gate
Operator
Photo eye for
open cycle
Int
errupt
(Saf
ety) Loop
Interrupt
(Safety) Loo
p
Shadow
Loop
COMPLEX
OR
PARKING LOT
4' (1.2 m)
Typical
Loop wire
layer
Seal Loops
1/4" (6 mm) or larger
depending on loop
wire size
1-1/2" (37 mm)
Run twisted wire
from loop
to operator
GATE SYSTEM (MASTER/SECOND SWING GATE)
GATE SYSTEM (COMMERCIAL SWING GATE)
1-1/2" (37 mm)
1/4" (6 mm) or larger
depending on loop
wire size
STREET
COMPLEX
OR
PARKING LOT
4' (1.2 m)
Typical
Run twisted wire
from loop
to operator
Seal Loops
Loop wire
layer
Int
err
upt
(S
afety) Loop
Inte
rrupt
(S
afety
) Loop
Photo eye for
open cycle
Telephone
Entry System
Shadow
Loop
Photo eye for
open cycle
S U G G E S T E D E N T R A P M E N T P R O T E C T I O N D E V I C E L O C A T I O N S