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3.2.12
( I! j- a A1 j3 H Leads (tails) used for the connection to extra low voltage d.c. supply, shall be colour coded red
( C/ H8 ~) m( a; [! i0 n$ I& Tto indicate its intended connection to the positive termination, and shall be colour coded black* A1 c: E4 N/ n6 G+ B1 D9 d
to indicate its intended connection to the negative termination.
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Fixed terminations, when applied, shall be marked with the "+" sign to indicate the positive connection, and shall be# I' c8 L* i8 z
marked with the "–" sign to indicate the negative connection.7 D( H9 W# q$ R6 e& G- h
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是否是这个意思? |
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