voltage to amps pls some clever wotsit

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 8:25 pm

can someone work out pls

if a mini fridge is 220-24o v
what is the amps

Antie Em · Post by **Antie Em** » Wed Sep 28, 2011 8:31 pm

why ??

gardener · Post by **gardener** » Wed Sep 28, 2011 8:49 pm

It should say how many Watts it is too.
W=VA so divide the wattage by 240.

Worked example:

An appliance is rated at 1 kW. What fuse should be used?

1 kW = 1000 W.

Current = 1000 W Ã· 230 V = 4.3 A

Next size up is 5 A

MarkCDodd · Post by **MarkCDodd** » Wed Sep 28, 2011 8:52 pm

Oooo....I get to use my Electronics Degree for the first time in years.....

OHM's Law

Watts = Voltage x Amps

therefore

Amps = Watts/Voltage

Since you have not given me that wattage of the fridge.....I canna figure out the Amps my wee lasssie.....

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 8:55 pm

Antie Em wrote:why ??

cos there is only footie on the tv :lol:

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 8:55 pm

rite min coz and marky babes back in a min

son off to uni

Antie Em · Post by **Antie Em** » Wed Sep 28, 2011 8:56 pm

Northern Lass wrote:
Antie Em wrote:why ??

cos there is only footie on the tv

That's a good enough reason :lol:

Don't have footie on my tele :wink:

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 8:59 pm

Ok now bear in mind I am thick when it comes to maths etc

so I need to not exceed 2 amps

this is wot mini fridge says on back

volatage Ac 220-240 v
Power cold 45-65 w
Vol 15 L
50/60HZ Dc 2v
Hot 40-55 w

:shock:

peterd · Post by **peterd** » Wed Sep 28, 2011 9:00 pm

1amp would be ok that would also cover any surge

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 9:05 pm

so if they are wired at uni in rooms for 2 amps
can he take that fridge?

peterd · Post by **peterd** » Wed Sep 28, 2011 9:08 pm

is the fridge going to be plug in to a 13 amp socket ?

MarkCDodd · Post by **MarkCDodd** » Wed Sep 28, 2011 9:08 pm

By its own, but how many other items will be piggy backed into the same socket?

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 9:12 pm

peterd wrote:is the fridge going to be plug in to a 13 amp socket ?

It said somat about 2 amps being the limit
it says this

electrical sockets in rooms are fused at 2 amps

Northern Lass · Post by **Northern Lass** » Wed Sep 28, 2011 9:13 pm

MarkCDodd wrote:By its own, but how many other items will be piggy backed into the same socket?

so if it is only one plug in one socket it is ok

even if one plug in a double socket
then another plug in the other bit of the double socket?

gardener · Post by **gardener** » Wed Sep 28, 2011 9:16 pm

2A seems a bit mingy to me.

Each socket should be 2A I think but I will bow to superior knowledge here. No kettle for sure!

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voltage to amps pls some clever wotsit

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