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IAEI Magazine | Author: Joe Schomaker
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Joe Schomaker

Joe Schomaker is an electrical engineer employed by Cooper Bussmann, Inc. focusing on the National Electrical Code, overcurrent protection and electrical safety. Prior to joining Cooper Bussmann, Joe worked as a compliance engineer, performing UL, CSA and IEC testing for a consumer electronics OEM. Joe has also worked as consulting engineer designing low-voltage power distribution systems for industrial facilities.


New Requirements for Series Rated Systems

A significant and controversial change was made to 2005 NEC 240.86. This article is intended to provide electrical inspectors and others in the industry with background information and to explain how the new requirements in 240.86 can be met.