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IEC60228-2004里。
( p% O5 Y; B. @/ }- r, w前言部分有说明:
4 [4 j6 I/ J3 j: WConductors described in IEC 60228 are specified in metric sizes. Canada at present uses- o% V) }, r) W* g
conductor sizes and characteristics according to the American Wire Gauge (AWG) system and
$ n% U0 \$ L3 b# Ekcmil for larger sizes as shown below. The use of these sizes is currently prescribed uniformly, S' l# v/ c2 p( E9 T7 P
across Canada for installations by sub-national regulations. | IEC TC 20 cable product standards | | do not prescribe cables with AWG/kcmil conductors. | ) s. e% h6 J8 U! e3 q4 U* g) @, u
然后后面是一个AWG与平方数的比较。
! o! L3 ]- I- c$ z; L, {3 L欧规标准里没有要求使用AWG表示的规定,
+ \2 V: K& `$ m% z( @# ^6 k而是使用的是平方数来表示的。 |
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