How do you hide cables on a shelf?

Quote from the video:
Quote from Youtube video: Into it into the cubbies. And then out of it. So i had two cables coming down from the tv. One was the power cord that went down into a cubby hole. And back out the bottom to the power strip.

How far can you run a heavy-duty extension cord?

In general, extension cords should not exceed 100 feet in length. However, by plugging one extension cord into another, the maximum cord length can be easily exceeded. If the job requires more than a 100-foot distance, a temporary power distribution box is required.

Can heavy-duty extension cords be used in place of permanent wiring?

National Electrical Code (NEC) does not allow extension cords in lieu of permanent wiring (NEC 400.8(1) – 2014 Version). General rule– if equipment is powered from an extension cord for more than 30 days, permanent solutions should be installed.

Can you run an extension cable through a wall?

Extension cords are not designed or made for use inside a wall or ceiling, not even heavy-duty types, due to National Electrical Code restrictions, as listed above, specifically regarding the non-use of flexible cords cable.

Why can’t you run a power cord through a wall?

It can cause interference in the signals being sent to the electronics connected. And any uninsulated contact between an electrical wire and a low-voltage cable can cause serious damage to the equipment or even a fire!