Ground Fault Detection and Solidly Connected Transfer Switches Designing electrical systems utilizing emergency stand-by systems, legally required standby systems or even your basic optional standby systems can be challenging. The National Electrical Code® provides us with the minimum safety requirements. However, there are situations where selecting the correct transfer switch can be challenging and making the wrong selection can be downright dangerous. We are going to look at the transfer switch selection process and determine if emergency systems should utilize a 3-pole or should the correct choice be to utilize a 4-pole automatic transfer switch.
Ground Fault Detection and Solidly Connected Transfer Switches
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