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和其他电路之间满足双重绝缘、加强绝缘就可以了
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- E5 ^7 S2 v- H1 K- Bprotective extra-low voltage circuit
- J; z, \* t8 C/ k+ Oearthed circuit operating at safety extra-low voltage which is separated from other circuits7 f0 e! y7 a) m" R3 \0 B' N) @
by basic insulation and protective screening, double insulation or reinforced insulation
( f: s) g* R/ k! r' P5 T' r& [5 TNOTE 1 Protective screening is the separation of circuits from live parts by means of an earthed screen.- n! X n/ D$ l! \& l6 Q) a
NOTE 2 A protective extra-low voltage circuit is also known as a PELV circuit. |
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