|
楼主 |
发表于 2007-5-17 08:27
|
显示全部楼层
引用第12楼hli168于2007-05-16 21:09发表的 :
( J' `6 ~1 i# H7 c$ [
4 F. O6 c" E6 v我听认证公司的工程师说一台机器只有一个带圆圈的,其他接地的不要带圆圈,带圆圈的就是电源线进来处的接地。[s:3]
* a! ]/ G5 V( o: K) i& N, c5017 Earth (ground)
- a' D4 z. ` H7 A& F5 bTo identify an earth (ground) terminal in cases where
% g7 e3 K# E( x: b) Lneither the symbol 5018 nor 5019 is explicitly required.
2 J0 W) a. a$ N& o # J K% d0 r8 C9 N- R% s9 ?% [
5019 Protective earth (ground) E9 v5 w6 C. b* r$ G. X7 [
To identify any terminal which is intended for connection to
: t% z- `, Y" A8 U: Y3 a" {& g5 van external conductor for protection against electric shock
, a& K* w3 ]2 D& h: ain case of a fault, or the terminal of a protective earth& C* C' L1 n! I0 n/ l8 ~$ y$ |- L
(ground) electrode.5 V }5 c2 _( X! o
4 t- B* ?6 a) |我是想明白5019这个地线贴纸的粘贴位置. |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|