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NEMA publishes KS 3-2010 for inspecting and maintaining switches

The National Electrical Manufacturers Association (NEMA) has published KS 3-2010 “Guidelines for Inspection and Preventive Maintenance of Switches Used in Commercial and Industrial Applications”. Its guidelines help identify switches requiring maintenance or replacement. Topics covered in the publication include safety procedures, general guidance, inspection procedures, preventive maintenance, non-destructive test procedures, and the operation of accessory devices.

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