Overcurrent +14/2 + Fiberglass in a 2x4 Wall
Автор: Electromagnetic Videos
Загружено: 2022-08-21
Просмотров: 11846
As requested by so many of you, I made a section of 2x4 wall with a 14/2 wire running through it in both a hollow section (interior wall) and a pink fiberglass insulated section (outside wall) and then passed increasing amounts of current though it to simulate a dangerous overcurrent situation.
Also as you suggested, I did some crude temperature measurements with a IR thermometer gun.
For those of you not in Canada or the US, this type of wall is very typical over here, and the 14/2 wiring strung though holes in the center of the studs is how a lot of wiring is done. We have 120V household power and #14 wire is rated for 15 Amps in most situations although 12A is the max continuous load that should be on a 15A circuit.
In this test we try 20, 30, 40 and 50 Amps to see when and how the cable fails. This might represent a situation where a circuit breaker malfunctions and fails to trip even when for example someone has plugged in a bunch off heaters on the same circuit which also shouldn't happen.
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