Electrical & Lighting

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How to Replace Ceiling Light Fixtures

Safely replacing a ceiling light fixture is a manageable DIY home-improvement project. You don't need a professional electrician to replace interior ceiling-mounted lights. These video tips apply whether [more…]

How to Test a Circuit Breaker with a Voltage Tester

Knowing how to test a circuit breaker can save on electricians’ fees. Test the circuit breaker with a voltage tester to see if it’s faulty. The voltage tester will indicate if the breaker is getting power [more…]

How to Install Track Lighting

Installing track lighting allows you to direct lighting exactly where you want it. If you know how to install track lighting, you have the flexibility of attaching individual lights anywhere along a long [more…]

How to Replace a Standard Electrical Outlet

Replacing a standard electrical outlet, or receptacle, doesn't require a professional electrician. This DIY home-improvement video shows how to replace a wall outlet safely. The tips reveal wiring correctly [more…]

How to Replace a Standard Switch with a Dimmer Switch

Installing a dimmer switch in a standard outlet is a DIY home-improvement project. Safely wire a dimmer switch with help from this video tutorial, which also takes some of the mystery out of electrical [more…]

How to Work with Electricity Safely

If you don’t know how to work with electricity safely, you can injure or kill yourself. Following basic electrical safety tips is crucial — after all, you never know who worked on the wiring before you [more…]

How to Reset a Circuit Breaker

Knowing how to reset a circuit breaker will make you seem awesome to the clueless. Resetting a tripped circuit breaker is a simple matter of flipping the circuit switch back into the On position. [more…]

Electronics Calculations Using Ohm’s Law and Joule’s Law

Ohm’s Law and Joule’s Law are commonly used in calculations dealing with electronic circuits. These laws are straightforward, but when you’re trying to solve for one variable or another, it is easy to [more…]

Electronics Capacitor Tolerance Code

In electronic circuits, the tolerance of capacitors can be determined by a code that appears on the casing. The code is a letter that often follows a three-digit number [more…]

Electronics Capacitor Value Reference

In electronic circuits, the value of capacitors can be determined by a two- or three-digit code that appears on the casing. The following table outlines values for some common capacitors. Note that two-digit [more…]

Electronics For Dummies Cheat Sheet

Electronics is more than just schematics and circuits. By using various components, such as resistors and capacitors, electronics allows you to bend electric current to your will to create an infinite [more…]