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

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5 o/ {" |( u/ o/ }) {! i" Q5 L请教标准中,如下条款 ,感觉很抽象,不知道怎么理解
Circuits with TERMINALS which are HAZARDOUS LIVE

These circuits shall not be connected to ACCESSIBLE conductive parts, except for circuits
, z( I! N4 k7 x. c( }( o1 Fwhich are not MAINS CIRCUITS, and which are designed to be operated with one TERMINAL
contact at earth potential. In such cases, the ACCESSIBLEconductive parts shall not be
0 O& k7 [- M+ s6 y' X" ZHAZARDOUS LIVE.
1 M4 ~% C* o6 |, r8 E$ |8 SIf such a circuit is also designed to be operated with one ACCESSIBLE TERMINAL contact (signal
' p- O: H, A( alow) floating at a voltage which is not HAZARDOUS LIVE, this TERMINALcontact is permitted to be
2 P5 C1 G# o3 }1 X( Uconnected to a common FUNCTIONAL EARTH TERMINAL or system (for example, a coaxial
screening system). This common FUNCTIONAL EARTH TERMINALor system is also permitted to
" i6 l# _) f  Q9 vbe connected to other ACCESSIBLE conductive parts.

8 Q- j0 ~2 u6 E  V6 Z* z我的理解:
带有危险带电端子的电路
! R' n8 Y- N8 y) u这些电路不可以连接到可接触导体部分, 但是~~~~除外

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
8 Q: ^' [( P' f( R* ]8 u$ ^第一段中要求接地了, 这里说的非危害悬浮电压怎么理解?
7 p7 k# D3 ~" z' V5 \; p6 {
# e$ I3 E9 P* h8 Mthis TERMINALcontact is permitted to be
1 S0 b# F, i9 {5 n3 C# g. |6 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
' m' k. y: j7 {' m/ s+ c& f" l3 Tbe connected to other ACCESSIBLE conductive parts.
3 r3 \' |1 C5 x" S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???

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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