[The LED Artist] often found a need for a relatively high voltage (100 ... being a pretty handy tool for testing things like LED filaments (which have a forward voltage of over 60 V), or even ...

Increased productivity and efficiency with one-pass test enabled by a high-voltage switching matrix Designed to enhance the safety of operators and equipment; complies with regulations SANTA ROSA ...

the handy gadget can ‘sense’ from a distance whether a high-voltage line is live or not. Lal K C, who joined the KSEB last May, has christened his device a ‘No Contact Tester.’ ...

Researchers have devised a low-cost, piezo-based, easily constructed version of a high-voltage sparker called an electroporator widely used in biological and cell testing. Unless you’re involved ...