Which cable to choose if 10 kW power connection is allowed?
What cross section does an electric cable need if the permitted connection is 10 kW. The wiring is copper, single-phase. It is necessary to connect an electric boiler 4.5 kW (1.5 +1.5 + 1.5 kW) from the electric meter. Cable length 30 meters.
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Hello! If a boiler with heating elements, then for such a distance, in principle, a cross section of 6 square meters is enough. mm This is despite the fact that the wire will be laid in a closed way. At the same time, losses on the line will not exceed 3% (which is more than good).