Protection Engineering Basics and Schemes Protection Engineering | Page 53

1.2.6.2 Ratio Test:
It is very easy test, and can be done by any multi
meter/voltmeter with range of 0-1000V; it can only be
conducted on live system. For this you must have proper
PPEs, in case of EHT please necessarily wear arc flash suit,
do not touch PT without wearing at more than 1000V
insulated Gloves.
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