Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess ...

A version of Part 1 appeared in the Dec. 2011/Jan. 2012 issue of Test & Measurement World. See the PDF. In January 1979, Electronic Test published an article claiming that a single test circuit that ...

Electrical insulation begins to age and thus deteriorate as soon as it is made. Exposure to harsh environmental conditions, such as extreme temperatures, mechanical damage, and chemical vapors, ...

Before you install these systems, you better understand OSHA requirements. So you want to install a custom-made piece of equipment. But you don't know if you should ...

Everywhere we look in our everyday lives, from our bench to our bedroom, there are the ubiquitous electrical cords of mains-powered appliances. We don’t give our electrical devices a second thought, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When tackling DIY projects that involve any kind of electrical wiring, components, or circuitry, you need ...

Electrical safety testers—often referred to as “hipot” testers—are an integral part of electrical and electronic equipment manufacturing. Hipot testers get their name from the high-potential (high ...

Counterfeit electronic components are an increasing threat to the supply chain for consumer, industrial and, more importantly, military parts. Some counterfeit parts are like counterfeit money, ...