Testing technology generally advances at a faster rate than an older tester wears out. If your tester is still in good working order, when is it time to replace it? When should you update vs upgrade? How old is too old for a tester? Is it really necessary...

There’s little margin for error where ground-fault testing is concerned. The methods you use to identify faults may not only safeguard your systems from fire and shock hazards. They can spare you from carrying more equipment than you need, spending...

Consider the essential tests that contractors perform at commissioning and on subsequent site visits for operations and maintenance (O&M) throughout system lifetime. Then look for a robust, feature-rich toolset that can effectively carry out core O&...