Chamberlain LiftMaster Security+ 3265CM Manuel D'instructions page 14

INSTALLATION STEP 9
Electrical Requirements
To avoid installation diffi culties, do not run the opener
at this time.
To reduce the risk of electric shock, your garage door
opener has a grounding type plug with a third grounding
pin. This plug will only fi t into a grounding type outlet.
If the plug doesn't fi t into the outlet you have, contact a
qualifi ed electrician to install the proper outlet.
RIGHT
If permanent wiring is required by your local code, refer
to the following procedure.
To make a permanent connection through the 7/8" hole in
the top of the motor unit:
• Remove the motor unit cover screws and set the
cover aside.
• Remove the attached 3-prong cord.
• Connect the black (line) wire to the screw on the brass
terminal; the white (neutral) wire to the screw on
the silver terminal; and the ground wire to the green
ground screw. The opener must be grounded.
• Reinstall the cover.
To avoid installation diffi culties, do not run the opener
at this time.
WRONG
To prevent possible SERIOUS INJURY or DEATH from
electrocution or fi re:
• Be sure power is NOT connected to the opener, and
disconnect power to circuit BEFORE removing cover
to establish permanent wiring connection.
• Garage door installation and wiring MUST be in
compliance with ALL local electrical and
building codes.
• NEVER use an extension cord, 2-wire adapter, or
change plug in ANY way to make it fi t outlet. Be sure
the opener is grounded.
PERMANENT WIRING
CONNECTION
Ground Tab
Green
Ground
Screw
Ground Wire
White Wire
14
Black
Wire
White Wire
Black
Wire