It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.

Your television is off, but it may still be sipping energy and running up your utility bill. Using one of 49 energy meters available for free checkout from the Hennepin County Library system, you can ...

Check the Electrical Power Meter Mar 1, 2010 12:00 PM, By Chriss Scherer Tech Tips, March 2010 Feeling the power Ben Weiss, CPBE, a contract engineer in Kansas City, MO, told me about a recent ...