HypotULTRA Models 7800, 7804, 7850, and 7854 now measure insulation resistance up to 200 GΩ, which is four times the ...

In our previous issue, we described time-resistance and dielectric absorption ratio tests. Two other useful insulation resistance tests are the short time and step voltage tests. Short time. This is ...

Photo 2. The NEC Sec. 110.7, Wiring Integrity, requires “completed wiring installations shall be free from short circuits, ground faults, or any connections to ...

This article describes the testing results following routine performance assessment of an electrical motor both in its original state and after rebuilding it using products made by Zeus, such as the ...

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 ...