请教61010-1标准中,如下条款 Circuits with TERMINALSwhich are HAZARDOUS LIVE

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9 Z  V! w* S# r7 k' C. x: O- c请教标准中,如下条款 ,感觉很抽象,不知道怎么理解
9 C* n* h! i7 H6 m+ _, e  PCircuits with TERMINALS which are HAZARDOUS LIVE
# Z8 b* Y; `  S0 e0 N  m% Q2 \1 H! C
2 P. g8 M1 [7 n; c# J9 s3 ~  hThese circuits shall not be connected to ACCESSIBLE conductive parts, except for circuits
9 n% {; b) H# fwhich are not MAINS CIRCUITS, and which are designed to be operated with one TERMINAL
  S/ y9 o% q/ U' ucontact at earth potential. In such cases, the ACCESSIBLEconductive parts shall not be
2 f; l/ Y+ j# G/ r7 D" KHAZARDOUS LIVE.
If such a circuit is also designed to be operated with one ACCESSIBLE TERMINAL contact (signal
: v# ?/ M+ l+ q5 J& V: s, slow) floating at a voltage which is not HAZARDOUS LIVE, this TERMINALcontact is permitted to be
' A) P7 q1 a- }$ Q, P0 x, Nconnected to a common FUNCTIONAL EARTH TERMINAL or system (for example, a coaxial
screening system). This common FUNCTIONAL EARTH TERMINALor system is also permitted to
. e4 B- S2 D) }! C: ~2 Rbe connected to other ACCESSIBLE conductive parts.
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我的理解:
' i2 t( g1 ^* h& a0 O5 [带有危险带电端子的电路
这些电路不可以连接到可接触导体部分, 但是~~~~除外

& H& z. y3 ^8 \If such a circuit is also designed to be operated with one ACCESSIBLE TERMINAL contact (signal
low) floating at a voltage which is not HAZARDOUS LIVE
第一段中要求接地了, 这里说的非危害悬浮电压怎么理解?

this TERMINALcontact is permitted to be
connected to a common FUNCTIONAL EARTH TERMINAL or system (for example, a coaxial
screening system). This common FUNCTIONAL EARTH TERMINALor system is also permitted to
be connected to other ACCESSIBLE conductive parts.
* w" Z) {% j, ]' U8 M: o第一段已经允许接到地系统了,这里有牵扯出公共功能地系统??太抽象了,到底在说什么???

, V' {% R/ n& X: ^" Q" @6 n- u如果我的设备,有一个输出端子,是接客户的设备,电压不能确保一定无危害,该怎么处理???
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