Residential and commercial circuit breakers face three major challenges: detecting arc faults reliably, reducing false trips ...

When working around mains voltages, it can be useful to know whether a given circuit is live or not. While this can be done by direct connection with a multimeter, non-contact methods are available ...

ac voltages from 5 to 250 Vac. Ac currents as low as 400 mA can be sensed at a distance of 0.2 in. The detector operates on four LR44 button batteries. ($39–stock.) ...

If you need a reliable way to search for network cables or AC electrical wires you might be interested in a new multifunctional electric wire detector called the NOYAFA NF-825. Launched via ...