It can be difficult to determine if you've got a bad circuit breaker. There are steps you can take before deciding to repair, replace, or call an electrician.

Multimeter in hand, you can test resistance in circuit board components and appliance elements throughout the house.

Want to know how to use a multimeter properly? Here are five common ways to put your digital multimeter to good use. Note: These instructions are applicable to most multimeters.

Use this guide to find out what the switches on your breaker mean so you can take better control of your house. Related: How to Reset a Tripped Circuit Breaker ...