Exam (elaborations)
BCSS Test Questions & Answers | 75 Questions with 100% Correct Answers | Verified
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Electricity supply for lighting and electric hand-held tools is provided by means of a step down transformer having a secondary voltage not exceeding - 110 volts centre point earthed Electric hand-held tools and inspection lamps and lights are operated at a voltage not exceeding - 55 volts betwe...
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