Portage, Mich.-based InterNational Electrical Testing Association (NETA) recently published ANSI/NETA MTS-2007, “Standard for Maintenance Testing Specifications for Electrical Power Distribution ...
Table 100.19 from ANSI/NETA MTS-2011 provides recommended test voltages for proof testing and field testing medium-voltage power circuit breakers and switchgear. These three tests should be in your ...