| National Representative | Country/Region | |---|---| | | Canada | | NBN | Belgium | | BSI | United Kingdom | | EVS | Estonia | | NSAI | Ireland | | AFNOR | France | | DIN | Germany | | JSA | Japan |
Designers must maintain minimal physical distances between live parts and earth, or between live parts of different phases. The document defines clear voltage-dependent clearance tables to prevent flashovers under normal operation and surge conditions (such as lightning strikes). 2. Structural and Environmental Integrity iec 6193612021 link
Key terms were updated to eliminate ambiguity between international grid operators and industrial end-users. | National Representative | Country/Region | |---|---| |
: Missing provisions regarding high-voltage GIS systems have been reintroduced. activities
: Extended the protection requirements against lightning strokes.
activities. Annex F provides crucial informative guidelines for safe working procedures where local regulations are missing. Insulation Coordination (Clause 5)
: Power distribution networks inside factories, chemical plants, and heavy industrial sites.