Harbor Freight, a giant retailer of low-priced tools and power equipment, has been around since the 1970s. If you live near a Harbor Freight store, chances are you’ve received a circular comparing the ...

Designed to evaluate and report the results of backup electrical generators, the Generator Self-Test Verifier checks that a generator has started, that its voltage is within a ±10% tolerance window, ...

During a power outage, a generator can keep all your necessities running—from the lights, appliances, and heating systems to your air conditioning, sump pumps, and WiFi. It can also help you save ...

A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than refinement. A single sine-wave signal of about 1 kHz is normally ...