What is the size of electrical cable to be used for a space heater single phas

What is the size of electrical cable to be used for a space
heater single phase 240V ?

Question Posted / mohamed_hafiz83

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What is the size of electrical cable to be used for a space heater single phase 240V ?..

Answer / vipin

1)calculate the design current based on the power and voltage
2)identify the distance to be installed
3)identify if there requires any derating factors to be considered
4)select the protection device for the design current ( should be 20% above the design current)
5)select the cable with its apacity higher than the protection device.

(2) and (3) can be ignored for very short distances

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What is the size of electrical cable to be used for a space heater single phase 240V ?..

Answer / raju

Data not clear, for calculation power or current value
should be required.

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What is the size of electrical cable to be used for a space heater single phase 240V ?..

Answer / k.prakashchandra

calculate the current ,then take carrying capacity as 1.5A
for copper and 1A for Al per sq mm

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