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- Electrical Basics

Grounding vs Bonding - Part 4 of 12

Published Friday, April 01, 2005

All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as 120/240V, 120/208V, and 277/480V. If you don't work with generators, you may think the requirements for separately derived systems (SDSs) aren't relevant to you. However, that thought may conflict with the reality of your situation. People often forget that all transformers, except autotransformers, are separately derived. This is because the primary circuit conductors have no direct electrical connection to the secondary circuit conductors. <b>Fig. 1.</b> ...</span>
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<b>Fig. 1.</b> ...</span>
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