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4 The less than 21.9 mm and greater than 27 mm dimensions have been specified to allow sideby-side use, without jamming, of plugs and equipment with integral pins in adjacent socketoutlets if both are less than 21.9 mm, and to prevent improper use, such as jamming, if one, or3 c4 k2 d9 K- G) O5 y/ Q" g+ ~
both, are greater than 27 mm. This is based on the minimum 44 mm centre-to-centre distance) | ?2 D. G# g# \. b* h
between adjacent socket-outlets as required by Clause 3.6.2.( f" l; N( [. m* \9 u
+ |; Y. Z$ B5 H. q: ?( Y2 o
这个是21.9max OR 27.0min的解释,见图2.1的注。 |
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