314 • Application in Explosive Environments
Modular I/O System
ETHERNET TCP/IP
8.6 Installation
regulations
In the Federal Republic of Germany, various national regulations for the in-
stallation 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