Use the chain to pull the wire up through the wall over the door and back down the other side.
Run extension cord through door.
Extension cords are not rated to carry the same amperage as proper permanent wiring because the cords have tougher jackets which also retain more heat.
1 as a substitute for the fixed wiring of a structure 2 where run through holes in walls structural ceilings suspended ceilings dropped ceilings or floors 3 where run through doorways windows or similar openings.
Prior to the development of this product the cord hose would have to be routed thru an entrance door or window.
You can get a board that goes the full height of the door frame and is only an inch wide.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
Simbr flat plug extension cord angled with triple outlets ul listed 15 ft indoor outdoor extension cord heavy duty 16awg spt 3 3 prong black 4 2 out of 5 stars 40 17 99 17.
Put a u shaped hole in the bottom so that it straddles your power cord.
You can use one of those security bars for patio doors to lock it from the inside.
Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe.
Then you can close the sliding glass door.
In 400 7 flexible cords and cables shall not be used for the following.
Please don t bury the extension cord not even in conduit.
Use a vinyl raceway to secure the cable in the wall recession behind the baseboard.
Stick a chain or heavy string through the hole and feed it along behind the wall until you can retrieve it at the open baseboard at the foot of the door.
Burying an extension cord is an attempt to do permanent power on the sly.