FUNDAMENTAL RULES FOR PROTECTION AGAINST ELECTRIC SHOCK
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or- when intermediate barrier providing degree protection least prevents
contact with live parts, such berier being removable only the use key tool.
Figure 5.4 Protection placing live parts out reach
With this measure, simultaneously accessible parts varying potentials (voltages and earth
potential) shall not within arms reach.2.2
Protection placing live parts out reach zones arm´s reach under different conditions
.1.1. This distance shall increased places where
bulky long conductive objects are normally handled.3 Protection obstacles
Obstacles may include handrails, mesh-screens, railings and protective frames. Parts are not regarded being simultaneously
accessible they are more than 2,50 apart.1.
5.1.
Minimal distances live parts from the stand point according different standards are
shown the Figure 5.
5. Obstacles
may removed without using key tool but shall secured prevent unintentional
removal