1. Principles, definitions and methodology
1.1 Principles. Definitions
The various types of protection available meet the following requirements:
prevent contact with a live part;
or make this contact non-hazardous.
The live parts referred to are :
or conductive parts intended to be normally live (conductors, terminals, etc.), known as active parts;
or the conductive parts of electrical equipment not normally live, but liable to become so in the event of an insulation fault, for example, and known as grounds.
Contacts can be of two types:
with...
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Principles, definitions and methodology
System design and system protection
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