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 ease in reading these diagrams is accomplished by drawing each load and any switches that control that load on a separate horizontal line. For example, if a load is not energized when it should, a ...

Logic and Line Diagrams provides a comprehensive look at circuit logic and diagrams. The way a circuit functions depends on its circuit logic, which can be AND, OR, NAND, or NOR. The logic used in a ...

This analog switch circuit is designed to switch on or off and analog line. it consists of two analog switches in IC form that are controlled by two pushbutton switches. In standby mode the voltage at ...

When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!