What is Lockout Relay and what is use of it in electrical installation

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why potetial transformer primary ground?

1 Answers  

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which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

0 Answers   GE,

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What are the types of relay ?

3 Answers  

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2 Answers  

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what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

0 Answers  

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What is application/Function of Electro chlorinator in Offshore Oil & gas Platform ?

1 Answers  

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THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS

7 Answers   Chartered Accountant,

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what is difference between speed mode and torque mode in motor?? explain in simple words please.

0 Answers   Toyota,

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