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240/110 (Read 9055 times)
cupid
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240/110
Feb 13th, 2005, 9:44am
 
A few years ago i see some guys running a normal household 240v kettle on a 110v transformer they had just changed the plug,worked ok just a bit slower.
more and more these days i see guys running all sorts of power tools in the same way Undecided
just  a thought, what problems could arise from this apart from running slower/less power,is it LEAGAL ???

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« Last Edit: Feb 14th, 2005, 1:22am by LSpark »  

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Re: 240/110
Reply #1 - Feb 13th, 2005, 12:19pm
 
Most equipment would deteriorate very quickly, and burn out.

Lower the volts, up the current for the same power!

I have a 240volt radio running on 110 - I changed the tappings inside.
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JerryD
Re: 240/110
Reply #2 - Feb 13th, 2005, 12:41pm
 
If plugging 230v appliances into 110v supply slows them down, then what if you had a 110v television and plugged it into a 230v supply, would you get the football results before the match has ended?  ???
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Re: 240/110
Reply #3 - Feb 13th, 2005, 1:33pm
 
i think the worst that is likely to happen is burnt out motors.

a kettle is going to be fine because its just a heating element (there may be issues with the auto stop system though so i would keep an eye on it while in use)

a lot of transformer driven equipment can be changed to 110V either by a selector switch, by fitting different fuses inside or by minor alterations inside the equipment. a many transformers have twin primaries which can be connected in either series or paralell to change the operating voltage.

it is possible to design switched mode power supplies to run over the full range from 100V (sometimes lower) right up to 250V without changing any switches. laptop PSUs are an example of this.
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Re: 240/110
Reply #4 - Feb 13th, 2005, 1:52pm
 
Quote:
these days i see guys running all sorts of power tools in the same way

I think you will find that is 110V rated equipment, construction site's will often require 110V tool's instead of 230V tools for safety reasons..
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Beanzy
Re: 240/110
Reply #5 - Feb 13th, 2005, 5:09pm
 
Wait for it the 24V batt powered Dewalt Kettle! I'd have one!.  Grin
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Re: 240/110
Reply #6 - Feb 13th, 2005, 6:16pm
 
is there one?, thought the de-walt radio only charged batteries up to 18V  Roll Eyes
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Re: 240/110
Reply #7 - Feb 13th, 2005, 9:03pm
 
I think you will find that is 110V rated equipment, construction site's will often require 110V tool's instead of 230V tools for safety reasons..

I thought the same thing untill i stopped and asked one guy,he said sod buying buying all new tools when i have these already ??? they have working every day for the last 6 months Undecided

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Beanzy
Re: 240/110
Reply #8 - Feb 13th, 2005, 9:11pm
 
Some sites work off 240v, but they're always the smaller ones with loads of subbies and it's all on an iso tranny backed up by an internal trip, or else RCD. Bigger sites seem to provide and test it all up to the outlet so they just stick to 110v.

That was a big factor for me when I bought the battery kit. Didn't want to have to lug trannies about, or second guess what would be provided on-site. Just missing a kettle now, will have to use one plugged into the car ciggy lighter. Then again the amount of tea I drink in a day I'll never get home due to flat batteries.  Undecided
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« Last Edit: Feb 13th, 2005, 9:13pm by Beanzy »  
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Re: 240/110
Reply #9 - Feb 13th, 2005, 9:18pm
 
Quote:
it is possible to design switched mode power supplies to run over the full range from 100V (sometimes lower) right up to 250V without changing any switches. laptop PSUs are an example of this.


so i take it when the eqipment is turned on it assumes max voltage and automaticly [quickly ]adjust till  the voltage is matched

that would explain why a reconditioned computer with a loose conection in the plug[screw on the plug pin] blew up with a big bang Shocked Shocked Shocked Shocked Wink
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big all ---------------  we are all still learning
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Re: 240/110
Reply #10 - Feb 13th, 2005, 9:29pm
 
lmao @beanzy

big_all you don't see many things blow up with LITTLE bang Undecided Wink

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Re: 240/110
Reply #11 - Feb 13th, 2005, 9:31pm
 
i was going to say with a big poof

but i would have had to moderate my self Roll Eyes Roll Eyes Grin Grin Grin Wink
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Re: 240/110
Reply #12 - Feb 13th, 2005, 9:59pm
 
err what was that they say:
oh yea!

IF THE CAP FITS. Lips Sealed Lips Sealed Wink

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Re: 240/110
Reply #13 - Feb 13th, 2005, 10:05pm
 
[quote author=Beanzy  link=1108287874/0#8 date=1108329112]Some sites work off 240v, but they're always the smaller ones with loads of subbies and it's all on an iso tranny backed up by an internal trip, or else RCD. Bigger sites seem to provide and test it all up to the outlet so they just stick to 110v.

That was a big factor for me when I bought the battery kit. Didn't want to have to lug trannies about, or second guess what would be provided on-site. Just missing a kettle now, will have to use one plugged into the car ciggy lighter. Then again the amount of tea I drink in a day I'll never get home due to flat batteries.  Undecided [/quote]

if it is true that a 240V kettle can run on 110V then you could just carry several different mains leads and select the right one based on the availble outlets

i suspect you could cut off the key on a CEE plug so it would fit both the yellow and blue sockets Wink
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get_it_done
Re: 240/110
Reply #14 - Feb 13th, 2005, 11:04pm
 
Or you could just get a flask.
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get_it_done
Re: 240/110
Reply #15 - Feb 13th, 2005, 11:13pm
 
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Re: 240/110
Reply #16 - Feb 14th, 2005, 1:25am
 
[quote author=cupid  link=1108287874/0#7 date=1108328624]I think you will find that is 110V rated equipment, construction site's will often require 110V tool's instead of 230V tools for safety reasons..

I thought the same thing untill i stopped and asked one guy,he said sod buying buying all new tools when i have these already ??? they have working every day for the last 6 months Undecided cupid [/quote]


err

okay then lol

freaks, wouldnt wire my 230V stuff to do that, id just use my battery drills  Roll Eyes Roll Eyes
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