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3.2.12
! n: c4 R3 o. b7 v Leads (tails) used for the connection to extra low voltage d.c. supply, shall be colour coded red
8 S/ {0 ^& _; U4 R i( ~. t- d, ?2 ]to indicate its intended connection to the positive termination, and shall be colour coded black
/ ]1 U5 L" ^/ L% h/ o! {# vto indicate its intended connection to the negative termination. % X' e4 p* ^. u, x5 ?+ r, V
' a) S; n2 G6 ~Fixed terminations, when applied, shall be marked with the "+" sign to indicate the positive connection, and shall be9 n9 d8 a) k. Y
marked with the "–" sign to indicate the negative connection.' G* R) n" V3 ^ H( G# E8 e" T
" ^- `9 {, V( \. V8 h" W是否是这个意思? |
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