Understanding Watt hours, Amp Hours, Amps and Volts

Fluke Electric MultimeterFirst off lets start with the definition. Watt hours are a unit of energy, usually electrical energy, equal to the work done by a single watt acting for one hour. This is also the equivalent of 3600 Joules. In order to calculate Watt hours you need to do some multiplication. First off you take the Watt rating of the product and multiply that by the amount of time used in hours. A 40 W bulb will use 120 Watt hours over a period of three hours.

This gives you the most basic understanding of watt hours. Watt hours are the → Read the Full Article

Best Corded Electric Lawn Mower 2012

Images of Best Corded Electric Lawn Mowers 2012As the title states this post will be about the best corded electric lawnmower 2012 has to offer at this point. Right now it’s at the beginning of July in 2012 , so we’ve had half of the year to determine which corded mower is best. It’s important to understand that there are some differences between the corded electric lawn mowers and although they have differences there are also quite a few similarities.→ Read the Full Article