Barriers and enclosures shall firmly secured.FUNDAMENTAL RULES FOR PROTECTION AGAINST ELECTRIC SHOCK 31
- protection against unintentional contact (any contact) with live parts represented by:
- protection insulation live parts,
- protection barriers enclosures;
- protection against intentional contact with live parts represented by:
- protection obstacles;
- protection placing out reach.e. They prevent from any contact with live parts.1.
5.
Protection normal service.
5.1
Protection against direct contact.2 Protection barriers enclosures
With this measure, the live parts are located inside enclosures behind barriers. 2X).
.1.1. Whenever necessary remove barriers
or open enclosures this shall only possible:
- the use key tool, or
- after disconection the power supply live parts, restoration the supply being possible
only after replacement reclosure the barriers enclosures,
Figure 5.
Basic protection. These
enclosures barriers shall prevent the entrance solid object greater than and fingers
(i.
Protection insulation live parts, protection barriers and enclosure,
- prevent any contact with live parts.1 Protection insulation live parts
Live parts shall completely covered with insulating materials which can only removed
by destruction
