Chamberlain SECURITY+ CG40CDM Manuel D'instructions page 18

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:
1. Remove the motor unit cover screws and set the cover
aside.
2. Remove the attached 3-prong cord.
3. 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.
4. 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
18
Black Wire
White Wire
Black Wire