An electrical schematic diagram might look like a nonsensical drawing to the layman, but to the electrical engineer, it’s a high-level documentation that provides a ton of insight and instruction. The ...

IN practice, an electrician sometimes merely requires a circuit diagram of the apparatus or equipment with which he is working. He must therefore use symbols to denote electric bells, dynamos, etc., ...

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

A circuit always has a battery (cell) but it can also contain other electrical components, such as bulbs, buzzers and motors. When drawing circuit diagrams, rather than drawing detailed components, we ...

This group of electrical symbols can be found on electrical schematic diagrams. Can you match the symbol to the correct text description? Most of these are somewhat common, but a couple of them will ...