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Wow! Nobody knows what they are talking about. A 12g wire can carry 25A at 100% capacity. Most would suggest a 10g wire if your doing a new install.
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EzraA 25mm sq electrical cable is equal to a #4 AWG conductor.
A #4 copper conductor with an insulation factor of 75 and 90 degrees C is rated at 85 and 95 amps respectively.
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What size cable is needed to supply 415v 250 amp three phase fuseboard?
A 250 MCM copper conductor with a insulation factor of 75 or 90 degrees C is rated at 255 and 265 amps respectively. This conductor can only be load to 80% capacity which allows a working current of 204 and 212 amps respectively. To obtain the full capacity of 250 amps a 350 MCM conductor will be needed. The amp rating for a 350 MCM conductor with an insulation factor of 90 degrees C is 325 amps. 325 x .8 = 260 amps.
How much current does 300 sq mm cable carry?
A 228 sq mm conductor equates to 450 MCM. A conductor of 450 MCM is not a standard AWG wire size. A standard 400 MCM will carry 380 amps. A standard 500 MCM will carry 430 amps. Difference between 400 and 500 MCM amperage's is 50 amps. Transposing between the two amperage's of 50 amps will be 380 + 25 = 405 or 430 - 25 = 405 amps. This is a very rough calculated answer for the question.
What is the cu cable size in 400a load?
A 0.15Cu cable has a rating of 382 amps summer and 476 amps winter. 0.2Cu allows 425/530 amps. That is for outdoor use in overhead lines.
What is the current amp of 150sqmm aluminum cable?
445 amps. For example Mulberry AAAC cable.
What area of science uses amps and ohms?
Amps, or amperes, are a measure of electrical current; ohms are a measure of electrical resistance. Both are widely used in physics.
