Do not substitute extension cords for permanent wiring.
Extension cord through doorway.
Make sure to use them.
The national electrical code nec publishes rules for using extension cords.
Do not run through walls doorways ceilings or floors.
The specially designed cover door then pivots to cover the hole completely or fits around the extension cord and or garden hose preventing the passage of insects reptiles or.
Most new indoor extension cords with more than one outlet have covers for the unused openings.
This is not allowed.
There s probably a set of guidelines for the proper use of extension cords and this is almost definitely against the rules i was right of course.
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A wall or run through a chase way or trough on a long term basis to provide a permanent supply of power to a piece of equipment or machinery.
When these cords including extension cords are used in temporary wiring installations 1910 305 a 2 iii g allows them to run through doorways or other pinch points such as windows or other similar openings provided they are protected from damage.
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This is a self explanatory rule that might seem to be counterintuitive until you start thinking of one of the main causes of injury trips and falls.
The cord door is a simple device consisting of a triangular plate which is mounted to the framework of a screen enclosure at a corner.
Flexible cords and cables may pass through doorways or other pinch points if protection is provided to avoid damage 1926 405 a 2 ii j extension cord sets used with portable electric tools and appliances shall be of three wire type and shall be designed for hard or extra hard usage.
Running extension cords through windows doorways and other openings if the window or door gets closed on an extension cord or if the cord gets moved back and forth.
This plate has a 2 diameter hole for passage of a extension cord and or garden hose.
If cord is covered heat cannot escape which may result in a fire hazard.
Extension cords cannot run through doorways.
Do not overload extension cords or allow them to run through water or snow on the ground.
Do not use an extension cord for more than one appliance.