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units

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  1. B

    Mains supply for light industrial units.

    Hi guys. I’ve just take over a job that had been already started. It’s 7 light industrial units that have supplies already wired underground in 25mm 4 core. The client wants 7 meters at the mains which is all well and good but the question is.... The previous spark said he was going to put a...
  2. P

    Consumer Units under stairs

    On a new build can you still fit a CU under the stairs.
  3. J

    Advice around testing of mobile units

    Hi All, New poster here!! after some advice surrounding testing of mobile units... I have had to rewire 7 Ice Cream Units (static ones that are used at Theme Parks), as they were originally from Spain, and nothing in them conformed with our current regs (Gotta love them Europeans!) Ive...
  4. E

    MK K7666sMET consumer units, Ansell downlights and other unneeded stock for sale

    8 MK metal dual RCD consumer units. All come fully loaded with 100A main switch, 2 x 63A RCDs, and 10 MCBs (1 x B40, 4 x B32, 2 x B16, 3 x B6). 1 is missing the busbar (I used it for a job) but I have an MK replacement. A couple of the cardboard boxes are not perfect but the CUs are untouched...
  5. T

    Air con units and it equipment on RCD?

    Hi , I usually do domestic work but i have an office job to price and i was wondering if the following items should be RCD protected, the reason i ask is for nuisance tripping. Air con units 3ph and single Sockets for the office computers Comms/Patch panel Thanks
  6. I

    Testing and signing off mobile catering units.

    Hi all, A friend of mine wants me to help him out renewing/converting trailers and horse boxes to be used for catering of film sets or in the public. I've got all the info I can get from Section 717 but what I'm not sure about it to what level I need to test and how certifying comes into play...
  7. T

    Fusebox consumers units

    Has anyone used the brand Fusebox before, how do people rate it as I’m just looking at there main switch spd board with RCBOs We always use Hager! But just shopping around...
  8. OnlQQker

    Predicting The Future Of Consumer Units Etc...

    I think they will become computerised to a degree, either like a mechanic connects his laptop to the cars computer or a digital read out giving all the information you need regarding diagnostics etc! Everything is changing at a great rate of knots! Happy new year to everybody by the way. ?
  9. L

    Metal consumer only option now?

    Following on from this saga: SWA questions, doubting electrician - https://www.electriciansforums.net/threads/swa-questions-doubting-electrician.180536/page-2 I had an electrician out to quote to rectify the problems yesterday after dealing with the tripping issue myself. I have now been told...
  10. I

    Testing portable welfare units with built in generator

    Hi I’ve recently tested a unit and rcd times are fine and R1R2 but Ze and Zs are High values and are not within bs7671 for a tns supply , I don’t really know what ze I should be getting to start with and would it be better treating it as a TT ,I will admit I’ve never done one before and only...
  11. F

    Testing CBR units

    CBR units appear difficult to trip time test on some occasions. Not only myself but other colleagues too when testing 300ma/500ma CBR units find even using a variety of manufacturers instruments that multiple trys are required before a succesful trip test. Often no trip occurs at all. Is this...
  12. Q

    2 Consumer Units or 1?

    Hi All I need some advice please. I am getting my house rewired and have asked for each room to be rewired on a separate circuit so if 1 room has any problems and trips it does not affect the lighting/sockets in any other room. its a 5 bedroom house and kitchen diner and living room (total 7...
  13. S

    Are 30mA split load consumer units non compliant under 18th edition

    Hi All, Just wanted to see what peoples opinion is is installing a 30ma Split load board compliant/ non compliant under the 18th Edition or you have to use RCBO's for each final circuit? BS7671:2018, Page 155 regulation 531.3.5.2 is a note which says on TN systems which states " Exept where...
  14. FatAlan

    Kitchen refit - sockets moved from wall to units?

    32amp rfc supplying two gang sockets in wall behind kitchen units. At present horrible holes have been cut in the back of the units to get access to the sockets for appliances. New units going in. Whats the best way of extending to a pattress in the back of the unit? In essence Im looking for...
  15. T

    Recessed consumer units

    Does anyone know of a decent recessed consumer unit? Needs to be 6ways with a surge so 8ways total with a main switch
  16. B

    MK Consumer Units

    Rumours are circulating that MK are going to stop making Consumer Units. Anyone know if there is any truth to this?
  17. Gavin John Hyde

    MK to discontinue comsumer units

    Just read online that MK are to discontinue the Sentry consumer unit range. Blaming issues moving from 17th to 18th edition. I didnt realise MK used siemens technology inside there protective devices. MK have been going down hill for a while the prices they charge I would unless an offer is...
  18. C

    Imersion timer

    We have an vented system boiler, the boiler is quite large and struggles to run rate low enough to just heat water. The tank has an imersion heater fitted, I'd like to switch this with a contractor driven by a singe channel heating programmer. I plan to put a tank stat between the programmer...
  19. P

    Quinetic wireless units - power reset

    Does anyone know if quinetic wireless units (switches/receivers) retain the memory after the power is cut, and if so for how long?
  20. H

    Two consumer units

    Two consumer units and meters. One pair for a flat above a shop and the other set for the shop. The armoured cable rising diagonaly above the consumer unit ajacent to the building electric supply feeds the the shop meter and consumer unit in an other basement room.

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