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  1. G

    Solar PV RISO query. Is 106 ohms bad?

    I have been adviced that because my Solar PV inverter is showing an RISO of 10.6 ohms I need my connections to my panels changed. I this reasonable?
  2. D

    Broken old ceiling light query

    Hi. Hopefully an easy one for you guys. We have a light where the metal bit has eroded/broken where it holds the light bulb - the back to front, upside down L shaped bit - think old fashioned, the fitting is probably from the the 70s when the house was wired. Am I right in thinking that there...
  3. K

    Installing sockets in loft, wiring query

    Hi all, Just new to the forum so go easy on me :) I'm going through a personal project to lay floor down in my loft and whilst doing so, installing a couple of sockets to allow for some computer equipment to run. I've been speaking to a few mates and found that I am ideally wanting to find a...
  4. Kamikaze

    Heatmeiser system query

    I’ve got a job coming up with two Heatmeiser UH8 control centres which need to fire the same combi boiler. Is it just a case of paralleling up the volt free connections LS and LR or am I missing something. It seems too easy! Also, because there are no time switches and the system will be...
  5. P

    Outdoor isolator installation query

    Hi all, Just joined this forum whilst doing research, so thought why not ask my question directly. I am going to have a small split system aircon unit installed for my bedroom. It will be a modern Mitsubishi unit with a starting current of only 3.5 Amps, nominal running current of 2.9 amps...
  6. haptism

    Ring final install method query

    Hope someone can help. When finding the cabling current capacity for a ring (wired in 2.5), would you use the data for 4mm in either/or table D5 of BYB or table 7.1 (11) in the OSG ? As the ring circuit is in effect 5mm ! Looking at the OSG ref methods; a 2.5 with ref method 101 says 17A...
  7. Short Circuit

    Query with a couple regs

    Hi - sorry, I haven't been on the forum for ages! Its that long I cant see how to attach photos now! I have a couple of queries following some work carried out by another contractor and would appreciate a second opinion ( or as many as possible ) One of my customers has just purchased some...
  8. E

    3 Phase domestic system query

    Hello, hope you guys can shed some light on recent incident. Recently I installed a heating system to a property in France that consists of a pellet boiler with vacuum feed, solar thermal, UFH etc... The system was all up and running nicely. A few months later , an electrician was working on...
  9. M

    Contactor query

    Don't come accross these that often but today I have one that is buzzing a bit and is warm (compared to it's neighbouring mcb's) but not hot. It appears as though it is the control input that is causing the noise and heat as I am able to turn the loads off. It is a Hagar ES240. Does this need to...
  10. M

    Bathroom lighting and fan query...!!

    ok so any help would be greatly received..! just finished a rewire on a bungalow... the new owners of the property are planning to do the kitchen and bathroom in the summer, so i've reused the old shower and cooker supplies and kitchen ring and put them away in the new board for the time...
  11. H

    Socket Query

    In the canteen at work they have an old MK isolation switch which operates a hard wired mixing unit. Both the switch and the mixer will be going to Beamish Museum (Google it) they are that old. The isolation switch is next to a sink, as in, 20cm above it, and <5cm to the right of it. Well, not...
  12. polo1

    Wylex 3036 board - PFC, EICR query

    Guys, I'm aware that 3036's come in Type 1,2 & 3 with different max fault current capacities. What I don't know is how you tell the difference between the Types. Also, if you assume a Type 1 at 1Ka, what would you code an installation with Type 1 rewireables with a PFC of 1.42Ka? The...
  13. telectrix

    code query

    just done a EICR. good installation, approx. 10 years old. 16th ed.split board, lighting circuits non-RCD, on TT earthing. my query is this: the Zs readings are high, due to the high Ze, insofar as , e.g. lighting circuits on 6A MCB each have a Zs higher than the max. permissible . should I...
  14. F

    Landlord Compliance - Query over documents

    Hello, I hope one of you can help. I am a landlord of a buy to let property. The estate agents are instructed to manage however I'm not quite sure they know what they're talking about in relation to EiRC's. I've got a condition report (attached) which says unsatisfactory. The estate agents...
  15. M

    GE RCD query

    Went to a property yesterday to do some odds and sods, replace the cu and do some remedials following a condition report customer obtained prior to purchasing the property. The cu is made by GE and was installed in 1997, half the board rcd protected and half not. One of the observations on the...
  16. A

    13A Oven Install Query

    Hi, I have just purchased a new oven which is 13A. The old oven was connected to a MK 45A DP Cooker Control Unit with Neon. Can I just connect the 13A to teh same socket? The previous oven was a Bosch which was rated at 16A. Thank you.
  17. mrloy99

    medical locations query

    excuse the paraphrasing .I'm trying to figure out if lighting circuits in group 1 /2 locations HAVE to be on rcd.or if it depends on...eg...unprotected cables in a metal stud wall ...or if it is in a room containing shower 710.411.3.2.5 says ..in medical locations of group 1 & group 2...WHERE...
  18. P

    electrical upgrade grant query

    Hello, We are about to move into a 1960 property built in 1960 that needs the electrics updated (I believe some of it may be original wiring) We are both old age pensioners and wonder if anybody can advise if we can get Government or Council grants to help with the cost. Regards
  19. J

    Another outbuilding query...

    Afternoon all, Been reading lots and now starting to doubt myself with the route I've taken... I've ran 18m 10mm 3 core SWA to an outbuilding come art studio. Supply is TN-S and had no option but to put the SWA on an RCD protected breaker (unless of course I Henley blocked it). 17th edition...
  20. haptism

    Kewtech Socket Tester Query

    Hi, I have bought a Kewtech socket tester for r1 & r2 testing on a megger 1552 but loose connection of the leads into it are giving me unstable readings. The genuine Megger 1552 compatible leads are brand new, as is the Kewtech socket tester. I cannot find a Megger socket tester and am aware...

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