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EXAMPLE The dimensions of the symbol for class II construction shall be such that the% N1 f& c) O% l% g/ X5 V( N n4 }
length of the sides of the outer square is about twice the length of the sides of the inner$ Z' r# B8 A* _- j6 r t3 m0 h' u
square. The length of the sides of the outer square shall be not less than 5 mm, unless the
2 E$ I3 {& h2 b* I1 ?largest dimension of the controlgear does not exceed 15 cm, in which case the dimension of
9 }! Z# {* {! x) ~the symbol may be reduced, but the length of the sides of the outer square shall be not less
8 Y1 o+ m$ U% X# ^* O- s( w0 Kthan 3 mm.+ h2 o( Z3 G7 V
see:IEC 61347-2-13-2006-P21 or GB 19510.14-2009-P14 |
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