Most of these outlets give you access to the standard 120 volts of electricity, which is plenty to power everyday devices. For certain applications, however, you need more power. That's where 240 ...

Say goodbye to electricians. Gradient's 120-volt All-Weather Heat Pump heats and cools up to 500 square feet and plugs right into a standard outlet.

Outlets with AC and USB outlet ports come in various configurations and cost less than $50 at home centers and online. After ...