what is cable meggering formula for low voltage ?
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What will happen when we will connect lamp in between phase and earth.
what is cathodic protection in Tank,and product pipelines?
what is the difference between indoor & Out door substations
whatis the commertial spec. of distribution boards ?
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
What is different between hypo test and megger test
what is load cell? whrere its used ? how to measured?
how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)
how to calculate the chiller load from TR to KW?
What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?
Which element is highly conducting coppoer or gold?
What is bushing?