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ANSI C37.33 87th Edition, January 1, 1987
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Switchgear - High-Voltage Air Switches - Rated Control Voltages and Their Ranges (Addition to Table 1)
Includes all amendments and changes through Supplement A, 1990
Additional Comments: INCLUDES SUPP A * W/D NO S/S
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ANSI/NEMA MW 1000, 2014
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