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Class 1 Division 2 ventilation?
NFPA 820, Table 4.2 indicates that a Residential Wastewater Pumping Station Wetwell is a Cass 1, Division 2 Location. If I specify Class 1, Division 2 rated submersible pumps, do I have to ventilate the wetwell or do I have to use a Combustable Gas Detector(CGD? If a CGD is used, does it have...- drvcivil
- Thread
- Replies: 12
- Forum: Electrical Engineering general discussion
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NFPA 820 CLASS 1, DIVISION 2 VENTILATION
NFPA 820, Table 4.2 indicates that a Residential Wastewater Pumping Station Wetwell is a Cass 1, Division 2 Location. If I specify Class 1, Division 2 rated submersible pumps, do I have to ventilate the wetwell or do I just have to use a Combustable Gas Detector(CGD)? If a CGD is used, does it...- drvcivil
- Thread
- Replies: 0
- Forum: NFPA (fire) Code Issues
