A separately derived system is a premises wiring system with no direct electrical connection to conductors originating from another system . All transformers, except autotransformers, are separately derived because the primary circuit conductors do not ......More
Electrical ladder drawings are still one of the common and reliable tools used to troubleshoot equipment when it fails. As with any good troubleshooting tool, one must be familiar with its basic features to make the most of the diagram in the field....More
The electrical industry spends hours participating in training in order to understand the revisions found in the 2014 NEC that will enhance electrical safety for our community. Electrical code revisions also serve as a significant catalyst that enables investment,...More
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