Technical data
6 •  Use in Hazardous Environments 
 Installation Regulations 
 WAGO-I/O-SYSTEM 750  
     Installation Regulations 
In the Federal Republic of Germany, various national regulations for the 
installation in explosive areas must be taken into consideration. The basis for this 
forms the working reliability regulation, which is the national conversion of the 
European guideline 99/92/E6. They are complemented by the installation 
regulation EN 60079-14. The following are excerpts from additional VDE 
regulations: 
Table 4: VDE Installation Regulations in Germany 
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 telecommunication 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: 
Table 5: Installation Regulations in USA and Canada 
NFPA 70  National Electrical Code Art. 500 Hazardous Locations 
ANSI/ISA-RP 12.6-1987 Recommended Practice 
C22.1  Canadian Electrical Code 
Notice the following points 
When using the WAGO-I/O SYSTEM 750 (electrical operation) with Ex 
approval, the following points are mandatory: 










