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Nezof 发表于 2016-4-26 17:36
d, L+ }) ` x3 t没有说线颜色吧
# {6 R3 q' n) o+ _) z1 X60598-1 cl.3.2.12
" r4 v |0 X% ^* T: K) c5 a8 ~3 f/ `$ v- fLeads (tails) used for the connection to extra low voltage d.c. supply, shall be colour coded red- i4 _0 Z' |9 u3 G% ]0 n/ K8 z
to indicate its intended connection to the positive termination, and shall be colour coded black
' r5 D" ~2 n' `, x) z8 ^6 xto indicate its intended connection to the negative termination. Fixed terminations, when
d6 I. i# N% R$ uapplied, shall be marked with the "+" sign to indicate the positive connection, and shall be) R! i3 q8 M5 T
marked with the "–" sign to indicate the negative connection.
. C: B* Q/ \; x5 F" F第一次遇到这种情况,除了ul线,其他标准线没有红黑线 |
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