Electrical Technology 2028-2-10
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True or False question: Please answer whether it is correct or incorrect. 3 points for a correct answer, 2 points for an incorrect answer, and 5 points for a detailed explanation of the reason. In a three-phase four-wire system, a three-core cable can be used along with a single-core cable serving as the neutral wire.
No. The regulations for low-voltage electrical installations state that in a three-phase four-wire system, a four-core cable should be used; a combination of a three-core cable and a single-core cable is not permitted