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Panacea1 06-15-2006 07:32 PM

Below Deck Plastic Fuel Tank Grounding Question
Does anyone know if a plastic fuel tank installed below deck needs to be grounded? I can understand why metal fuel tanks would need an attachedgrouning wire, but I'm not sure about plastic tanks.

I recently installed an all-plastic fuel cap which recommended not to attach a grounding wire. I wonder if the same is true for the gas tank.

Of course, the gas tank is not entirely all-plastic. It does include a metal fuel gauge sender and the fuel withdrawl has a metal fitting to which the fuel line connects.

GordMay 06-16-2006 05:30 AM

Each metalic or metalic plated component of the fuel fill system, that is in contact with the fuel and the fuel tank, shall be grounded
Grounded Liquid Level Gauge transmitters (senders) shall have the negative return conductor connected directly to the the DC main negative bus (which is grounded). This conductor serves as the static ground or bond conductor for the tank or fill.

sailingdog 06-16-2006 05:35 AM

Plastic tanks should also be grounded. IIRC they can hold a fairly substantial static charge, which can then ignite the gasoline vapors under the "right" conditions. A grounding strap eliminates this risk.

sanjuan2R 06-29-2006 07:15 PM

fuel tank grounding
Where do you attach the grounding straps to in order to get a secure grounding?

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