Answer Posted / pswin
IP means Index of Protection. All electrical equipments have the degree of protection. First numeral shows (a) Protection of persons against contact with live or moving parts inside enclosure. (b) Protection of equipment against ingress of solid bodies. Second numeral shows protection of equipment against ingress of water. IP 55 means-(a) complete protection against contact,(b) dustproof and jet(water projected from a nozzel) proof. For IP 65, for second numeral 5 is same above and for first numeral 6 shows that it is a dust tight equipment. The greater digit shows the higher protection.
| Is This Answer Correct ? | 22 Yes | 1 No |
Post New Answer View All Answers
A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?
what is difference between elr and R eartl realy.
how to handle 2500 kva transformar
how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 1993.WORKING IN PVT COCERN LT LINE.PLEASE ADVISE ME .CELL NO 9994786021
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
what is transformor oil gread
what is the importance of Partial Dischage test for Electrical Equipments
What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?
When we connect the large capacitor bank in series ?
What is the difference between indoor and outdoor transformer
2. What are the parameters of EHT sub-station?
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
how much leakage current is allowed in MC61A L&T make relay?
Single line diagram for dbb (double bus bar)system.
Safety of dry type transformer