【Joint Study*】【Electrical Version 20160320】
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. When running wires through tubes, the situations in which wires of different circuits and of different AC and DC voltages are allowed to be placed in the same tube do not include ( ). A. Wires of several circuits for similar types of lighting B. Wires of all circuits for decorative lighting fixtures C. Wires with a voltage of 50V or less D. Wires of the motor circuits of the same device and control circuits that do not require interference protection
When running wires through tubes, the situations in which AC and DC wires of different circuits and voltages are allowed to be placed in the same tube do not include (C). A. Wires of several circuits for similar types of lighting B. Wires of all circuits for decorative lighting fixtures C. Wires with a voltage of 50V or less D. Wires of the motor circuits of the same device and control circuits that do not require interference protection
C. Wires with a voltage of 50V or less