I have 2x0.5 mm power wire ... how much amp can it safely stand ? (220 V here)
Thanks Yakov
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17 years ago
2x0.5 mm power wire -- how much amp ?
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17 years ago
0.5 sq. mm?
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17 years ago
0.5 sq.mm, yes
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17 years ago
On Fri, 24 Nov 2006 13:13:41 -0800, Yakov Has Frothed:
Length?
-- Pierre Salinger Memorial Hook, Line & Sinker, June 2004 COOSN-266-06-25794
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17 years ago
Maybe 2 amps then. It's about 20 AWG.
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17 years ago
google is your friend.
NT
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17 years ago
In the UK (230v) 0.5mm² twin flex is rated at 3 amps.
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*I feel like I'm diagonally parked in a parallel universe*Dave Plowman snipped-for-privacy@davenoise.co.uk London SW To e-mail, change noise into sound.
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17 years ago
It's generally the same current rating no matter the voltage.
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17 years ago
That's rather a broad statement. ;-)
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Dave Plowman dave@davenoise.co.uk London SW
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17 years ago
In reality more like 240V and it's 250V right here.
Graham
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17 years ago
The USA likes to run cable hotter IIRC.
Graham
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17 years ago
It's a nominal voltage like all domestic supplies.
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Dave Plowman dave@davenoise.co.uk London SW
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17 years ago
It's a straight fib in the case of the UK for reasons of political correctness.
Graham
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17 years ago
tness.
I'm not sure which figure you mean, nor what you mean by 'straight fit', but I'm not sure the term would sit completely comfortably with either figure.
NT
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17 years ago
Not really, although the original 240 wasn't altered. They just changed the allowed spread to harmonise with Europe.
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Dave Plowman dave@davenoise.co.uk London SW
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17 years ago
I remember all of those German radios with the multiple voltage primaries. There must have been a lot of different systems then.
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17 years ago
Depends a bit on whether you rate the cable for how hot you allow it to get in a specified environment, or as here where the rating of a cable is based on the allowable circuit voltage drop expressed as a percentage of the nominal voltage over a specified length.
Peter Dettmann
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17 years ago
Environment is a factor. So is the number of other current carrying cables packed with it.
But the OP gave no other details.
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17 years ago
I assumed it is a power cord or flex rather than permanent house wiring by the size, and this type of cable is expected to be exposed?
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Dave Plowman dave@davenoise.co.uk London SW
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17 years ago
correctness.
The reasoning is as follows.
The voltage in the UK was 240V. In mainland Europe it was 220V.
In order to 'harmonise' the voltage in the EU a 'political decision' was made to call it 230V and widen the tolerances.
Graham