I try to check the three phase voltage in multimeter, in 125A isolator switch i

I try to check the three phase voltage in multimeter, in
125A isolator switch incommer. first i touch R phase, and
then i touch Y phase using multimeter, the moment i touched,
it blasts and that moment i got blindness. multimeter
selector position is correct(750V AC MODE AND RED PROBE WASS
IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE
ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?

Question Posted / raghav

2 Answers
5454 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i tou..

Answer / anand yadav

The distance between the live parts would be very small and
meter prob exposed part accidently (prob slipped,sudden
noise,vibration etc.)shorted the two phases,and a results
in a ballast.

Is This Answer Correct ?

3 Yes

0 No

I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i tou..

Answer / pillay

your selector switch position was correct ,by right the
multimeter should have given you the voltage reading ,but
than some multimeter comes with a separate probe socket for
testing of amperes. maybe maybe, the probe was wrongly
plugged into this socket.

Is This Answer Correct ?

2 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers NCC,

In CT's they mentioned 400/5 or 1250/5, 1000/1 here 400,1250,1000 is Breaker Capacity what is the /5 Explain me briefly

2 Answers

A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers

How to do maintenance of transformer feeder.

0 Answers KSEB, L&T, Siemens,

DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

0 Answers

why ie corona losses in tranmission line

1 Answers

How we can find the regulation of transformer?

2 Answers

What is the difference between a verilog task and verilog function?

0 Answers

how many electricity poles are there and what are the names and their sizes.

0 Answers

what is d check in dg 1500kva

0 Answers

what is difference between KW and KVA

1 Answers

I am getting diesel genset 62 kv for my house In addition there are 6 meters of 11kv for the house Lift also being installed for house plot sise 200sq yds total 4 + 2 foloors I want to know how much earthing required how deep it should be

2 Answers

For more Electrical Engineering Interview Questions Click Here