欧规多芯护套线的芯线颜色
H05VV-F 二芯可以是蓝、黑,三芯可以是蓝、棕、黑?如是三芯,应要有根黄绿线,作为地线才对的吧? 黄绿线不一定要 ANGUIE 发表于 2013-11-4 14:49 static/image/common/back.gif
黄绿线不一定要
黄绿线不一定要----理由呢?依据在哪? 必须要有黄/绿线带表地线,黑线可以替代棕线用,但替代不了地线 448080300 发表于 2013-11-4 15:01 static/image/common/back.gif
必须要有黄/绿线带表地线,黑线可以替代棕线用,但替代不了地线
这个说法我顶! 对照HD308标准看看 三芯一般是蓝、棕、黄绿 piper510 发表于 2013-11-4 17:01 static/image/common/back.gif
对照HD308标准看看
HD308标准?晒出来看看? 本帖最后由 xiaoxiangtongzi 于 2013-11-5 08:32 编辑
H308里.3芯线.
黄绿,蓝,棕.
棕,黑,灰,
蓝,棕,黑
但是有备注,蓝棕黑仅适用在特定用途.具体什么用途没有说明.
常规的一般使用带绿黄的芯线颜色组合.
已经更新的EN50525-1的规定:
5.4.2 Single core cables – Non-sheathed cables
The core colours shall be chosen from the following:
a) For cable types rated 300/500 V (H05 types) the following mono-colours are recognised:
black, blue, brown, grey, orange, pink, red, turquoise, violet, white, green and yellow.
Bi-colours of any combination of the above mono-colours are permitted. The distribution
of the colours for the core bi-coloured green-and-yellow shall comply with 5.4.4.
5.4.4 Colour combination green-and-yellow
The combination of the colours green-and-yellow shall be such that, on any 15 mm length of
the core, one of these colours covers at least 30 % and not more than 70 % of the surface of
the core, the other colour covering the remainder of that surface.
NOTE􀀃 This requirement is in accordance with EN 60445.
Compliance shall be checked using one of the test methods in 5.2 of EN 50396.
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