Voltage unbalance can be a common steady-state power quality problem that is harmful to 3-phase electric motors. The condition can cause overheating and insulation damage. The cost of damage to motors ...

Electrical failures rarely arrive without warning. Long before a breaker trips or a fire starts, your outlets and circuits begin sending subtle signals that the system is under strain. If you learn to ...

Article 430 contains the specific rules for conductor sizing, overcurrent protection, control circuit conductors, controllers,, and disconnects for electric motors. The installation requirements for ...