NEMA KS 3-2010 sets forth, for use by qualified personnel, a number of basic procedures that may be used for the inspection and preventive maintenance of switches used in industrial and commercial applications rated up to and including 600 V 50/60 Hz ac or ac/dc.





NEMA KS 3-2010
Original price was: $113.00.$56.00Current price is: $56.00.
Guidelines for Inspection and Preventive Maintenance of Switches Used in Commercial and Industrial Applications
National Electrical Manufacturers Association , 11/24/2010