Answer: for 1p and 2p single-phase equipment, 1p can be used for lighting and 2p for socket; 3P is used for three-phase equipment, and there is a place where three-phase electricity enters the house
Answer: for 1p and 2p single-phase equipment, 1p can be used for lighting and 2p for socket; 3P is used for three-phase equipment, and there is a place where three-phase electricity enters the house
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