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Electrical Wiring for a Welding Platform within the Oil Industry

Former Community Member
Former Community Member

I was wondering if you could help us out has I'm presently working on a 4 Storey Platform for a project for the Oil and Gas Industry.



Now this Platform is basically for Welders to work on now there is a Power Source that is a Permanent Fixture in a building containing 110v,230v and 400v connections and these connect in a way like a long extension lead using Caravan type Hook-up Extension Leads to the 4 Storey Platform structure.



Cables used for this structure are for 110v Single Phase Neutral and Earth Cable (32A),230V 32A Single Phase Neutral and Earth Cable and for 400v this is 32A 3 phase Neutral and Earth Cable which connects to the Platform itself.Now the Lighting on the Platform is in the form of 26W LED Type Lighting of there are 3 sets  of these on each floor but my question is what type of cable would run the lights to power them up would it still be 110v 32a Single Phase Neutral & Earth Cable or would it be Twin & Earth 1.5mm2 Cable.And the Sockets for the office containment on the first floor would they be of 2.5mm2 or 4mm2 and not 230v 32A Single Phase Cable.I Can understand there is a interface connection for the Welding Equipment this being 230v Single Phase Neutral & Earth Cable Connection. So was wondering has to your thoughts on the sockets and the lighting on this structure?.



Regards



Jimmy2Rivers


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  • Former Community Member
    0 Former Community Member
    How you manage the welding return currents might be worth a thought as well - I worked at one facility, where you couldn't touch the galley handrails, they were that hot - and the degree of corrosion visible on some joints was epic due to the current flow in the structure. Whilst there were return current earth bosses in place for use, the local guys were in the habit of just clipping on the facility structure as it was easier than setting up on the workpiece (which in itself was a pretty big structure, but supported off the ground on high precision jacks which proved to be quite insulating)


    Regards


    OMS
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  • Former Community Member
    0 Former Community Member
    How you manage the welding return currents might be worth a thought as well - I worked at one facility, where you couldn't touch the galley handrails, they were that hot - and the degree of corrosion visible on some joints was epic due to the current flow in the structure. Whilst there were return current earth bosses in place for use, the local guys were in the habit of just clipping on the facility structure as it was easier than setting up on the workpiece (which in itself was a pretty big structure, but supported off the ground on high precision jacks which proved to be quite insulating)


    Regards


    OMS
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