ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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why and where we use early make & late break contacts in protection?

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What is the result of under frequency to the system.

4 Answers  

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What is a circuit breaker contact multiplier relay?

2 Answers  

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hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

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why to need a electrical earthing?

2 Answers  

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What is The function of tvm(tri-vector meter)??

2 Answers  

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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how can we choose the size of road crossing pipe for power cables

2 Answers   DLF,

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what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

0 Answers  

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When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

0 Answers   Caterpillar,

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Which motor isused in indian railway system?

3 Answers  

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