In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...

The handheld device uses a dynamic load-simulation program and a truck’s towing circuits to test aftermarket and integrated trailer brake controllers. It includes a 25-foot cable that plugs into ...

Recently-launched Thingiverse.com is billed as “a place to share digital designs that can be made into real, physical objects” and contains various files (mostly vector graphics, schematics ...