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existing

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  1. T

    Adding to existing lighting with no CPC

    Hi everyone, I am currently installing an additional 4 way CU which is to serve a new extension on the customers house. They have also asked me to alter one of their existing 2 way stairs lighting so that they can have an intermediate switch incorporated (a switch at either end of the upstairs...
  2. B

    New metal roof on existing concrete garage

    Hello all, I need some advice please. We have a detached concrete sectional garage that is one of a semi detached pair with our neighbour. The garage has power (via SWA off a fused spur within the house with earthing provided back to the TN-C-S supply). One double socket and a light via a 3amp...
  3. T

    Cooking appliances. Diversity versus practice

    Hi, I have a customer who has bought a 7Kw hob to compliment a 4.8Kw double oven. He didn't realise the extra power consumption would put additional loading on the existing 6mm cable. My initial response was to tell him that an additional circuit was required and due to locations of consumer...
  4. E

    EIC or EICR?

    Sitting (or rather squeezing my belly into my tiny CU cupboard ) my NICEIC assessment (to join) next week. My case study is a new 6A radial circuit. It has its own way in the CU. Do I complete an EIC on the basis that it's a new installation or an EICR on basis that it's connected to an existing...
  5. E

    Drayton LP822 Once button results in permanent hot water

    Guys Encountered a problem using the above function, when the once button is selected for a boost on the CH the Immersion heater will not then switch off. I have to switch the programmer of for it to reset... any ideas?? The boiler is an Ideal ICOS and the Tank controls are Range
  6. M

    Certifying existing works

    Hi, I was called to a job where the customer asked me to undertake an EICR and Boiler safety check (Yes, I am gas safe registered as well). When I arrived I found a fairly new boiler and a 17th ed Split load CU (not AMD 3 standard), I questioned why he wanted it all tested as it was all fairly...
  7. D

    testing existing installations to current edition of BS 7671

    A question, if you please... When testing an existing installation BS 7671 states that it should be tested to the current edition of regs, and that doesn't necessarily mean the installation will be dangerous if wired previous to that edition. My question is, how should you code for no RCD...
  8. GBDamo

    Pricing for fitting sub board and running two circuis

    Having problems convincing company owner that us doing this is not cost effective/best use of our expertise. We are typically travelling 2-300 miles and working away so I cannot see how it can be cost effective for us to be doing this. 1, If insufficient room/capacity in existing CU then fit...
  9. C

    Tt

    So what are people's thoughts on this, iv got to wire out a shipping container, regarding the supply existing is a tt, container is about 5 meters away from existing building, I'm going to put an independent stake in for this but just seems pointless as the existing stake is so close to this...
  10. A

    NAPIT Certification Scheme Napit Inspecton (supply intake inquiry)

    Hi all, I will be doing a kitchen rewire in a domestic house which i want to use for my Napit inspection. Existing consumer unit has not enough spare ways for the new circuits to be installed for the new kitchen and its a bit untidy. So i will be adding an additional 10 way consumer unit with...
  11. T

    3 phase distribution

    Hi all, Just an enquiry.. Our company have recently moved factory's. I am talking a very small unit. At the moment there is one TPN distribution board which is at the top end of the factory.. Is there any problem running a 3 phase supply off a 63amp mcb which will feed the new d/b just to keep...
  12. S

    Nest 3G install help please, replacing Honeywell

    Hi I ordered a Nest 3G and want to install it replacing a Honeywell system. Everything I know is: Potteron Boiler Megaflow Tank Honeywell ST9100C1006 2 x Honeywell Thermostats The 2 Honeywell thermostats do upstairs and downstairs but I would like the nest to just do the whole house...
  13. A

    Electrical Installation Certificate Quiry

    Hi, just recently rewired a new kitchen and added a additional consumer unit to a house because the existing consumer unit is a bit of a mess and there is not enough spare ways to add the new circuits into the existing consumer unit. Plan on using this job for my inspection and just wanted to...
  14. P

    Extending a ring

    Hi I am a competent DIYer and have fiddled with elecritics, but not massively confident. However, extending a ring, in of itself, looks fairly easy. I am adjusting a wall between two of my bedrooms. The wall is actually a built in wardrobe, which I am removing, with a view to giving some of...
  15. akwoody2

    MWC or EIC?

    Evening chaps, A little help with what i think is a grey area. Im going to install a twin socket from the DB off the 32a ring RCBO. Does this class as an alteration where i will issue a MWC or does it warrant a EIC? Thanks
  16. A

    Advice on wiring 2 single ovens into an existing double oven wire to fuse box

    Hi I have replaced a double oven with a single oven and a microwave/oven combi. The double oven was on its own wire to the fuse box, 40amp circuit breaker with appropriate cable. Both the new ovens say they are 16amp. Can i use a junction box on the main wire to goto 2 separate switches for each...
  17. L

    Emergency Lighting - Adding extra lights to circuit

    Hi, Hoping someone can give me some insight into emergency lighting circuits. I've never had to install an emergency lighting circuit, only testing of the circuit. We have an emergency lighting circuit in place but I've been asked to add a couple of additional emergency lights to an area that...
  18. cliffed

    Existing Swa

    Relocating workshop to a new position,this requires Swa supply to be jointed to new position. The original swa is a 10mm 4 core,using sheath as cpc,we are extending this. It's also a 3phase /N supply. I'm ok with this,but the problem I see is the main earth bonding requirements,spoken about...
  19. Davisonp

    Advice on consumer unit replacement.

    Hi, I have an issue I cannot get my head round. I have been asked to replace a consumer unit, and the circuits are run in steel conduit with singles for live and neutral and using the conduit as the earth for sockets and lighting. There is also an MICC cable supplying the cooker. There are two...
  20. A

    Installing a shower.

    Hi guys dont post much but have a hopefully simple enough problem. Not long finished my time at the grand age of 34. Spent the entire time working in a quarry and commercial properties and zero time on domestic installs. Issue is I'm doing a homer for a guy in the quarry and I'm installing a...

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