No need for a long or heavy duty one as door openers don t draw a big current and you only need a long enough cord to reach the outlet.
Garage door opener power cord too short.
Extension cords are meant for temporary use.
Chances are your garage door opener uses a 12 or 24 volt.
Pull the emergency release cord toward the door.
Not using an extension cord is more of a strong recommendation.
Feed the other end of the cord through the emergency release lever on the door opener.
They don t want people to power them by running cheap cords across the garage or to be responsible of one does.
Use the shortest extension cord possible.
Pull the end through until the handle is six feet above the floor.
Tie an overhand knot to secure it.
According to google a 5 hp motor draws 10 amps.
Step 2 will allow you to freely move the garage door open and close.
Can an extension cord be used to power an automatic garage door opener that is hung from the rafters.
Manually move the garage door and return to down position.
Cjacobi chris jacobi hi01200061 september 26 2013 2 37pm.
The safest no thinking involved way i to look at the size of the cord on the appliance and go the next size up for example if the cord on the opener is 14awg use a 12awg extension cord.