I have a large, portable steel framed tank. approx 6m x 2m x 2m. It is used for actors/models to perform in for a variety of productions.

For many years now, I have had conflicting advice about whether or not it should be earth bonded. The initial response is "it's a giant steel structure, bond it!!". But then invariably someone else comes along and points out that, should the tank itself become energised, the people in the water within the tank would become part of the return to earth - the current would flow through the tank and them. If it was not bonded, as it is by design insulated, they would be ok. At least until they tried to leave the tank.

To date our solution has been to be super cautious of anything that could even present the possibility of bringing current to the tank itself. But how do we make a once and for all decision on whether it should be bonded without any professional consensus of opinion?
 
I wasn’t going to start a new thread because I thought the situation was very similar- big lump of metal that people can enter with electricity nearby.

It’s just the water tank is more portable than a shipping container.

Are there regulations in place for containers, and can they be used for the OP of this thread?

It could be seen as a bit rude and will not help visitors using the search feature when looking for advice.
 

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Aquatic Impact Ltd

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Title
Should a giant steel framed human aquarium be earth bonded?
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UK Electrical Forum
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Deuce,
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markythesparky,
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