Electrical Requirements - Craftsman 139.53930DM Owner's Manual

INSTALLATION STEP 9
Electrical Requirements
To avoid installation difficulties, 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 fit into a grounding type outlet. If
the plug doesn't fit into the outlet you have, contact a
qualified electrician to install the proper outlet.
To prevent possible SERIOUSINJURYor DEATHfrom
electrocution or fire:
• Be sure power is not connected to the opener, and
disconnect power to circuit BEFORE removing cover to
establish permanent wiring connection.
• Garagedoor installation and wiring MUST be in compliance
with all local electrical and building codes.
• NEVERuse an extension cord, 2-wire adapter, or change
plug in any way to make it fit outlet. Be sure the opener is
grounded.
PERMANENT WIRING
CONNECTION
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 difficulties, do not run the opener
at this time.
Ground Tab
Green
Ground Screw
Ground Wire Wire
Black Wire
19