Many tried to explode different WC.s. Never succeeded. Maybe lack of ignition source...
So again: experiments have been made to test whether any toilet is Ex hazardous or not...
Acc to a study from ÖWAV (Austria) any wastewater network shall be considered as per Zone 1. It means any installation there shall be Ex proof or at least with no ignition source E.g cable trays, ...
Keep up good work
Arpad
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