Saturday, May 26, 2012

Replacing A Normal Electrical Contact Such As A Switch

By Genevieve Petty


An electrical contact maintains electricity flowing through a circuit or break them when flow is not required. They are used to complete or incomplete circuits. When completing a circuit is mentioned, anyone that did basic high school physics has a switch coming to mind. A normal light switch is the most common type of contacts used in everyday life.

Placing a call to a local repair man might appear to you as the most sensible option. However, you could try instead to do it yourself. If you take this option, then you have to begin by purchasing a new switch and turning off any power at the main source switch.

Begin your repair process by removing the cover plate and removing all the screws in the unit. Use a screwdriver to do this. Make sure you keep the screws in a place where they will not get lost.

Use a voltage tester to ensure that power is really turned off. If there is any sign of current that is flowing, go back to your main switch and turn the power off properly. Any flowing current could be the source of a bad electrocution, and you cannot afford to take any chances. After that, you can remove the wires in the switch, noting their order of sequence.

Go ahead and put in the new switch. After that, the reverse process begins. Put the wires back in correct order and put the actual switch unit back in its place on the wall. Make sure all screws are tightly placed. Test to make sure it is working by putting the main switch on and testing to see if your bulb works.

Go back to your main power switch and turn it back on. Ensure that there is power running through switch by testing using the voltage tester. After that, make sure your electrical contact works by turning on and off. If it is okay, screw the cover back in and you are good to go.




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