Who provided the more to the sub-gave to whom, thank you for helping
Short-term work optional 4 square, long-term work, the proposed selection of 6 square and above.
In the low-voltage circuit below 36V, the cross-sectional area of the conductor is not simply considering the safe current-carrying section, taking into account the line drop caused by the length of the transmission line. The cross-sectional area of the wire must also meet the rated voltage supplied to the load side after the voltage drop
Generally with 2.5 square copper wire, or 4 square aluminum can be. 1.5 air-conditioning is only 1 kilowatt, that is, more than 1 hour per hour electricity
