How to do fabrication , busbar and wiring cost for :
1. LT Panels
2. C& R Panel
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What are dcs and plc?
how the magnetic flux is said to be rotating & alternating?
The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?
What is the difference between hot and cold loop testing?
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Name the instruments which run on DC?
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A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm