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楼主 |
发表于 2016-4-27 09:24
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Nezof 发表于 2016-4-26 17:36
4 G X+ W4 H! g$ P没有说线颜色吧 " y; K3 b2 R5 O* Z W; f2 n/ |6 O
60598-1 cl.3.2.12
' n4 W( Q6 e. r$ X; ?Leads (tails) used for the connection to extra low voltage d.c. supply, shall be colour coded red1 [- A! T3 x5 q0 S4 d
to indicate its intended connection to the positive termination, and shall be colour coded black U$ @7 y1 }/ P! G& U* g
to indicate its intended connection to the negative termination. Fixed terminations, when) `# R9 N& ~6 E& c3 f/ S
applied, shall be marked with the "+" sign to indicate the positive connection, and shall be* m* L# [: j0 v/ n3 e( o
marked with the "–" sign to indicate the negative connection.8 p, \0 E. _$ W% q
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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