Not long after I began contributing to Hagerty eight years ago, I wrote a detailed four-part piece on electrical relays and ...

Unlike most Tesla coils, [Teodor]’s design is able to run with a fairly low input voltage because it doesn’t use a static spark gap like most Tesla coils. Instead, his coil uses a relay in ...

Omron is aiming at electric vehicle chargers and solar photovoltaic installations by adding a low contact ... ‘hold’ voltage can be applied after switching to reduce dissipation from ~2.3W to ~600mW – ...