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EXAMPLE The dimensions of the symbol for class II construction shall be such that the- C4 Y# `" x' W1 A9 `
length of the sides of the outer square is about twice the length of the sides of the inner
* M& O* \" t. t3 ^, X% usquare. The length of the sides of the outer square shall be not less than 5 mm, unless the
5 |9 j9 z) Q% ?largest dimension of the controlgear does not exceed 15 cm, in which case the dimension of1 L, |! i H8 a- F' v- o
the symbol may be reduced, but the length of the sides of the outer square shall be not less( v/ _ j# F, N; _
than 3 mm.' W! z0 a4 _9 c3 W$ e4 Q# L. Q
see:IEC 61347-2-13-2006-P21 or GB 19510.14-2009-P14 |
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