This group of symbols can be found on many motor control drawings. Can you match the symbol on each slide to the correct text description? Most of these are common control items, but we've thrown in a ...

It’s been a while since we tested your knowledge on the electrical symbols front. So are you ready for another challenge? As was the case with the first three batches of symbols, this group can be ...

NEMA, the National Electrical Manufacturers Association, Rosslyn, Va., recently released ICS 19-2002, Industrial Controls and Systems: Diagrams, Device Designations, and Symbols. According to ...