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This information can be found in the latest edition of the NEC. A calculator that I like to use is below in Related Links. Note that the NEC (National Electric Code) tables are usually adopted in the US. Since your question is in SI units (meters), you are probably outside the US. Be aware that your local electrical code may be more stringent than the NEC, or have different requirements. Best to consult a local professional or research what standards are adopted in your area! Be legal, be safe! IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS. If you do this work yourself, always turn off the power at the breaker box/fuse panel BEFORE you attempt to do any work AND always use a meter or voltage indicator

to insure the circuit is, in fact, de-energized.

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16y ago

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