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Switch Pole, Safety, and UL

May 1, 2007  | Electrical Construction and Maintenance
As a manufacturer of both generator sets and transfer switches, the Inside PQ article in the March 2007 edition of EC&M titled Ground Fault Current: Problems and Solutions was of great interest and some concern to Cummins Power Generation. As a manufacturer of transfer switches with a simultaneously switched neutral pole (as shown in Fig. 3 on page 28 of the said article), we are interested in the

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