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thoughts

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  1. P

    Thoughts on plant room do I speak up?

    Hi all I am currently on a site and just pulling some data in the plant room and noticed this :- Main LV panel 3 phase breaker rated 125amp with 25mm non armoured tails and 16mm earth supplying landlord board run in trunking with 27 other swa 16mm 3core Then off the 3phase bus bars we...
  2. S

    Voltage optimisation technology? any experience? thoughts?

    we had a site visit the other week by a sales rep and an engineer of a company wanting to sell us a 'voltage optimisation unit' for the factory. They have today sent me through a proposal. They have contacted our electrical supplier, and obtained our site voltage profile for the last year. What...
  3. D Skelton

    Thoughts please

    Ok, so providing the requirements for 't' (434.5.2) and 'S' (543.1.3) are satisfied, what is wrong with this setup? Assume 230V SP 50Hz
  4. K

    Thoughts Please!

    Bit of a problem, any ideas? Kitchen to redo, customer having an induction hob,and an oven rated at 3.5kW Existing ring main (hopefully) and cooker supply 32A 6. mm Almost impossible to get to consumer unit, terraced house, solid floor, all laminated nad tiled floors above. Asked customer...
  5. C

    EICR code thoughts please?

    Hi all, Just done a EICR and have found on one of the 3 phase DB's that most of the neutrals and cpcs on one side of the DB are all mixed up and not in correct terminals. To rectify needs a few hours to strip it all back and re terminate due to how messy it has become over the years with add...
  6. S

    Kopex / flexicon for this job.....your thoughts

    I've got to price for some alterations to a room in a commercial building that has been an electronics lab. It's new use has a simlilar vein but they want the room looking more "slick" , all cabling flushed in and dado trunking. Problem being the existing is in singles and plastic pipe surface...
  7. S

    Fibre Cement board roof

    Hi Guys , I was just keen on your proffered thoughts for fixing Solar PV Panels to a fibre cement roof. We have metal Z purlins to fix to at 1350mm centres I was going to cross rail the complete roof, but was wondering if any one had any different thoughts system size is 6 rows of 18 panels...
  8. G

    thoughts ?

    job today , adding extra lighting and switches for area of house with no lights . circuit is all metal conduit twin and earth cable tied to conduit various places with joints made ends twisted together also spaghetti junction just an eyesore i refused to add anything to this circuit based on...
  9. N

    Large solar array 40KW 160 panels, welcomed thoughts!!

    Your thoughts Designing the module layout on a building.... I see many designs where all modules are clumped together like one big roof sheet. Surely its better to to split the module into string sections with a 200-300mm gap between arrays/strings to allow for maintenance (access to each...
  10. F

    new part p document.... thoughts.

    just read the new part p. got link from napit. anyone else read it? main difference is the reduction in whats notifiable. new circuits, CU changes, and work in bathrooms. o yeah, and 'third party certification' (whatever the hell thats going to mean). i know there was input from sparks and...
  11. G

    give us your thoughts on this one guys...

    this is a 3 phase `breakout box`....that is claimed IP44...so suitable outdoors....and yes...their MCBs in there.....not an RCD/RCBO in sight..... hmm
  12. S

    thoughts on diversity for security lights

    Hi, installing 9 security lights around a building. 500w pir lights. I have split the lights into 2 separate circuits (4+5) wired back to the disboard. doing load calculations 500x5 = 2.5kw , 2500/240 10.41 amps so 16a mcb but I've wired in 1.5 t+e. I'm pretty certain all 5 lights would not...

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