In this episode, EC&M's Code Consultant Russ LeBlanc identifies a wiring problem with this Class 1 transformer. He points out a violation of the requirements of Sec. 725.46 of the 2014 NEC. April 9, ...
An autotransformer is a transformer having part of its winding included in both the input and output circuit. A simple autotransformer connection is shown in Fig. 1. Note that because there is a ...
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