theoretically, what happens when a fan is off and wind is spinning the fan blades opposite the running direction and you then turn the fan motor on? does the fan motor draw locked rotor current til the fan reaches full speed in the running direction or is more than locked rotor current drawn...
I am installing an industrial fire control panel in an mcc building and need advise on grounding.
1. The panel is fed from a lighting panel <20' away. Should I pull a ground wire from the lighting panel to ground the fire panel? Do I only bring out a hot and a neutral and use the conduit as...
1. What is the difference between a dead tank circuit breaker and a live tank circuit breaker? What does 'dead' and 'live' stand for?
2. What are the main differences between circuit switchers and circuit breakers? Why would you choose one over the other?
(Feel free to answer one or both...
