what is different between IP55,IP54 and IP66?

Answer Posted / preveen

shall specify "louvers"

Is This Answer Correct ?    8 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1466


What does the a,b,c of 95a,95b,95c relays denotes?

2109


block diagram of 2 ups system connected in hot stand by mode?

7484


hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

1516


i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

1378






What happens to voltage when current through the inductor is constant?

673


How to decide and select the different earthing wire size for the different types of earthing

1806


how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

1668


in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1454


how rectifier transformer work in electroststic precipetatore(esp?

2090


Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

965


what is the criteria for selection of conductor used for ehv ac electrical dischrge

1603


Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1232


what is under coal gassification?

1624


I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1254