Questions about: switch - страница 4

Controlling a light with two or more switchesThis page describes how to use 3-way and 4-way switches to control lights from two or more locations. This is the first of several related pages explaining how to control lights with multiple switches. Cli
Let me grab some excerpt from it: Why does the CFL bulb flash? "Many times this is due to the circuit inside the CFL charging up, even when the bulb is off. This happens many times when the CFL bulb is being controlled by an illuminated wall switch,
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I purchased a used Jenn Air Cook top range (model c238b-c) to replace an older existing one (c221-c). Both units are the typical counter top with 2 slide-in double cook top element carthridge, and identical wiring diagram for both units. The only dif
–Check local regulations for restrictions and permit requirements before beginning electrical work– Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stai
I've come across a scenario in which this feature might actually improve safety: Some older European buildings still have TN-C wiring in place. Current wiring codes no longer allow this due to safety concerns (which I'll get to in a minute), but ther
When we moved into our house 4 years ago that was built back in 1960 we had the programmable light switch that controls the front porch light replaced by an electrician that was doing some other work on the house since it wasn't working. Well 4 years
I just moved into a new townhouse. There is a switch that in my living room/dining room area that seems to do nothing. I checked and it is wired in but I can't figure out what it operates
I have a house (Georgia, USA) and some kitchen renovations have revealed some prior electrical work and I am trying to figure it out. Originally, there was a ceiling box in the kitchen with a fan/light fixture controlled by a pair of 3-way switches.
A number of years ago I made the effort to get some training on basic home electrical so that I could install lights, dimmers, etc. by myself and use Professional Electricians for the complex stuff. I have a 1957 home with original wiring - new circu