11126 McCormick Road, Hunt Valley, MD 21031 | 800-851-4965 | [email protected] | ventevinfra.com |
Rev. 022822
14
3.4
Earthing
Warning!
The Hazardous Environment Enclosure MUST be earthed. It must be connected to the
plant earth system using at least one of the external bonding points, using a minimum
4mm
2
conductor. The earth cable must be installed in accordance with the requirements
of IEC 60079-14.
Warning!
Hazardous Environment Enclosure door earth bond must not be removed.
Warning!
The Hazardous Environment Enclosure internal power input connector has an earth
connection, which must be terminated to the protective earth conductor of the incoming
power supply.
3.4.1
Location of Hazardous Environment
Stainless-Steel Enclosure External
Earth Bond Points
There is an M5 threaded earth bond point on each
of the four enclosure feet.
3.4.2
Location of Hazardous Environment
Aluminum Enclosure External Earth
Bond Points
Single M4 Threaded Earth Point
FIGURE 5: Hazardous Environment Stainless Steel Enclosure
External Earth Bond Points
FIGURE 6: Hazardous Environment Enclosure Earth Bond Point
