how to find out difference between ELCB, MCB and RCB on looking on it

1 Answers  

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why test lamp didn't glow across 500v megger?

4 Answers   Aurobindo,

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Write masons gain formula.

0 Answers  

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what is the difference between RMS & TRUE RMS VOLTAGE

0 Answers   IIT,

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In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

6 Answers   Hindustan Unilever Limited,

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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why we have to do tan delta test of the transformer oil???

5 Answers  

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what will happen if ac and dc supplies given

0 Answers   APTransco,

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ho w to make Incident and accident reporting

1 Answers  

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What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

0 Answers   Ambuja,

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if the supply voltage increased by N times, the x-section of conductor will be.........

2 Answers   APGenco, Electrical Tech, Ericsson, IES, Thirumalai Chemicals,

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what is use of stater and choke in tube light.?

2 Answers   Aditya Birla,

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