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楼主 |
发表于 2010-9-14 16:56
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I'm sorry that It may require a long time to complete the issues, but I will try and not give up.( ^+ m( E+ b2 J3 n
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To save time, I will use attachment with drawings/circuit and necessary explanation.
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' @5 ~( O J& V2 ^/ Rwe can discuss if you have different opinion.' B& \' D1 q9 v: [& t& ~7 ?' ?
# P& K0 w1 v0 S9 a i& kactually for the case in attached file, one lab will consider the reinforced insulation(double insulation) shall be achieved for individual resistor in Protective circuit.
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3 q/ c6 D* V! d/ u5 ~, ubut personally I would think them as a whole not separated as only one resistor will not be protective impedance. |
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