I live in an old brownstone. The electrical situation is iffy - it has had some modernization - as in it has three-prong outlets, which means that the outlets have had ground wires added to them.

Chicago, IL - February 2, 2006 - Tripp Lite is proud to introduce its new line of Rackmount Pure Sine Wave and Automatic Voltage Regulation (AVR) UPS Systems for the Audio/Video market. Tripp Lite's ...

While Tripp Lite’s AVR900U is a well-made unit with good battery life, a lack of pure sign wave output makes it inadequate for modern computers. The 12-outlet Tripp Lite AVR900U is the wrong ...

Every AVR microcontroller, from the ATtiny in your thermostat to the ATMega in your Arduino, stores its configuration in a series of fuse bits. These fuse bits control settings such as the multiplier ...