Answer / lnp

IP stands for Ingress Protection . i.e. Protection against Ingress of solid particles and water. The first Digit indicates solid particles up to 1mm can not enter the equipment and second digit indicates that water sprayed from any directon cannot enter the equipment.

What is the difference between earthed and unearthed power cable.

1 Answers  

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

1 Answers   L&T,

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Why high voltage lines (overhead ) are called high tension lines?

8 Answers  

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What is the RMS Value. Please discribe in detail

14 Answers   Bhel,

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For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

0 Answers   Ecil,

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Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

0 Answers  

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1 KW = how many HP

3 Answers  

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what happens when power factor leads or lags to electical or home appliances

2 Answers  

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What is the work of ACCP in LT panel?

5 Answers   Juniper Networks,

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What is the Difference between Power Swing and Out of Step?

1 Answers  

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What is a feedback in control system?

0 Answers  

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