【Daily Question】 December 4th: When aluminum wires are used for the grounding wires of electrical equipment in installations, what should be the minimum cross-sectional area of such wires? ?
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This post was last edited by yuzp000 on 2015-12-4 09:20. Daily question for the activity (single-choice question): When aluminum wires are used for the grounding wires of electrical equipment in installations, their cross-sectional area should generally not be less than ( ). A. 1.5mm2 B. 6mm2 C. 4mm2 D. 2mm2 Hidden content in this post: B.6mm2. Please participate actively to win prizes. 10 points for correct answers, +5 points for participation. One time per person only. Close this topic after seven days.
B. 6 mm2 should be no less than 6 mm2
C.4mm2 C.4mm2 C.4mm2
When aluminum wires are used for the grounding wires of the electrical equipment in the device, their cross-sectional area generally shall not be smaller than ( ). B.6mm2
Question (single-choice): When aluminum wires are used for the grounding wires of electrical equipment in a system, their cross-sectional area shall generally not be less than (B). A.1.5mm2 B.6mm2 C.4mm2 D.2mm2
When aluminum wires are used for the grounding wires of the electrical equipment in the device, their cross-sectional area should generally not be less than 6 mm2.
When aluminum wires are used for the grounding wires of the electrical equipment in the device, their cross-sectional area shall generally not be smaller than (b)