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10 • Application in Explosive Environments
Installation regulations
WAGO-I/O-SYSTEM 750
Modular I/O-System
Ex-1.6 Installation regulations
In the Federal Republic of Germany, various national regulations for the
installation in explosive areas must be taken into consideration. The basis
being the ElexV complemented by the installation regulation DIN VDE
0165/2.91. The following are excerpts from additional VDE regulations:
DIN VDE 0100 installation in power plants with rated voltages up to
1000 V
DIN VDE 0101 installation in power plants with rated voltages above
1 kV
DIN VDE 0800 installation and operation in tele-communication plants
including information processing equipment
DIN VDE 0185 lightning protection systems
The USA and Canada have their own regulations. The following are excerpts
from these regulations:
NFPA 70 National Electrical Code Art. 500 Hazardous Locations
ANSI/ISA-RP
12.6-1987
Recommended Practice
C22.1 Canadian Electrical Code