Many things can affect the efficiency of an HVAC system. One component in particular strikes at the heart of a system's efficiency: the motor. The motor type and, perhaps more importantly, its ...

When designing electrical equipment in hazardous (classified) locations, it is extremely important to specify the correct equipment due to the gases, dusts, or fibers that may be present in the air.

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

A brushless-DC motor is common in ceiling fan and pan-tilt-zoom (PTZ) camera designs. But you can’t use the same brushless-DC motor solution for both of these end products. A ceiling fan driver ...