Home Tweakers' Asylum

Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Not the examples you gave.

Those appliances are mostly a motor and switch, and in the case of the dishwasher, low voltage electronic circuitry or a mechanical timer, controlling solenoids. Not very complex, and a fuse or circuit breaker should clear any malfunction that poses a fire risk. If you've ever seen sparks, smoke and flame shoot out of the vents of an amp or TV with so-called protection circuitry, you would understand why hardwiring by itself is not advisable.

A lot of hardwired heavy duty equipment has a main disconnect of some kind to shut off power in the case of an emergency or when servicing is required. I worked in a shop in the 1980s that had a lot of hardwired machinery. Each unit had its own double pole disconnect switch on the wall.

I think if amps were to be approved for hardwiring, they would need such disconnecting means. IMO, we would be replacing one evil (plug and receptacle) with another (DPST snap switch).




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