C1D1 to gasoline dispensing tank

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airdenver

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I am running a 120 vac feed to a small (575 gallon) gas tank and a diesel tank. I am pretty clear on the requirements as far as the sealoffs and all. My question is what would be an acceptable way of running the electrical from the ex. switch to the motor? These tanks came from the fuel supplier, the diesel already has an expl. switch mounted to the tank, and from there it goes to the pump motor mounted to the top of the tank and an expl. light fixture, and it looks like they used nonmetalic sealtite. The switch may only turn on the light. The gas tank only has a cord end coming off of the pump motor that would plug into a wall outlet. I would like to think the pump motors are rated for what they are being used for. Is the nonmetalic sealtite acceptable to run in that application? All conduit will be run underground to the tanks. I am a contractor, just haven't dabbled too much in explosion proof circuits before.
 
You sure that seal tight does not have metal under the plastic. It should.
You need to run rigid. Until you get to the part that uses flex.

You say that's a small tank. Wow wish I had one like that.
 
I think I am going to go with mineral insulated cable, seems easier to work with, as far as running it from my switch to the pump motor. Any thoughts?
 
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