Electrical Requirements - Craftsman 139.53903DM 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.
RIGH_
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.
• Garage door 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:
• Removethe motor unit cover screws and set the cover aside.
• Removethe 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.
• Reinstallthe cover.
To avoid installation difficulties, do not run the opener at this
time.
Ground Tab
Green
Ground Screw
Ground Wire Wire
White Wire
Black Wire
19