Gas station

[hhsting]

I have gas station with 12 dispensers island outside. The pumps for the dispensers are located in tank remote from the dispenser.

1.The emergency shut off button should it also kill the power to the pumps NEC 2014?

2. Not sure in NEC 2014 section 514.11(A) does equipment for remote pumping systems mean the remote pump for dispensers or it means something else?


Thanks for input

 

[ptonsparky]

If I hit a shut off button, I would sure want to see the fuel quit flowing out of the broken hose. Then again I don’t know if I could see that far once I quit running.

They ‘20 says...”all remote pumps...”

My ‘14 has been retired for at least 3 years.

 

[hhsting]

Right we still are in NEC 2014. Any idea from 2014 point of view?

 

[ptonsparky]

Right we still are in NEC 2014. Any idea from 2014 point of view?

My guess would be that the intent is the same.

 

[ptonsparky]

I've found an '05 and '17, but no '14. That article was substantially changed in the 17.

 

[don_resqcapt19]

There is a bit of a disconnect between the NEC and NFPA 30A. NFPA 30A has purview on this subject matter. 514.11(A) is really aimed at a service disconnect, but the wording in (B) calls it emergency controls. The 2012 edition of 30A would have applied to your installation. I don't have a copy of that, but the best I can tell, there have been no revisions in the electrical requirements found in section 6.7 between the 2012 version and the 2018 version. Here is what NFPA 30A says.

6.7 Emergency Electrical Disconnects
Fuel dispensing systems shall be provided with one or more clearly identified emergency
shutoff devices or electrical disconnects. Such devices or disconnects shall be installed in
approved locations but not less than 6 m (20 ft) or more than 30 m (100 ft) from the fuel dispensing
devices that they serve. Emergency shutoff devices or electrical disconnects shall disconnect
power to all dispensing devices; to all remote pumps serving the dispensing devices;
to all associated power, control, and signal circuits; and to all other electrical equipment in the
hazardous (classified) locations surrounding the fuel dispensing devices and shall mechanically
or electrically isolate other fluid transfer systems serving the fuel dispensing area. When
more than one emergency shutoff device or electrical disconnect is provided, all devices shall
be interconnected. Resetting from an emergency shutoff condition shall require manual intervention
and the manner of resetting shall be approved by the authority having jurisdiction.