Use in Hazardous Environments
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17
WAGO-I/O-SYSTEM 750
I/O Modules
3.2 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:
