methods

methods

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  1. P

    What exactly happens during an RCD test? (Methods 1 & 2)

    Sorry this is a bit of a long read but I’d be extremely grateful if someone can help me understand RCDs and testing methods of them. I know RCD test applies a fault current but in what way? I understand how continuity/IR and the other test work so it helps me know what to do, what’s going on...
  2. S

    Effective methods to generate work going from employed to start up

    Hi So after working for a company i have decided to go self employed and start my own business. people on checkatrade my builder and rated people are quoting so low the work isnt actually worth it plus the fees its basically working for a company again. What are the classic methods of...
  3. E

    R1 + R2 methods (r1 r2 link)

    Hello, Hoping to get some advice on R1 + R2 radial testing and best practise. When doing R1 R2 instead of taking cables from mcbs/rcbos and the earths out the terminal or placing any temporary links in the board. Iv seen the R1 R2 link online that comes with a croc clip one end and a PZ2 the...
  4. S

    Are installation methods 100, 101, 102 & 103 Reference methods?

    I am interested in opinions on the following. Looking at GN3, page 126 the example of a Generic Schedule of test results lists the reference method as 100. When I look at the OSG Table 7.1(ii) on page 74 it lists A, B, C, 100, 101, 102 & 103 as 'installation reference methods'. However when I...
  5. J

    Methods for pricing domestic new build

    Hi, I'm fairly recently (about a year) self employed, and I have been asked to give a estimate for a 3 storey new build. Having read other information online regarding pricing it seems pricing per point or per sq metre seem the way to go. Just wondering what peoples prefer ways are as...
  6. Q

    Reference methods for cables ran under floorboards and into stud walls no thermal insulation

    evening all I am wondering what the installation methods should be for cables run under floor boards and then into stud walls but without thermal insulation...102,103 dont seem relevant and so my understanding leads me to think it would be a cross between c for clipped direct under the boards...
  7. Q

    Reference methods for cavity walls without thermal insulation

    Evening all Just wondering what would be the reference method given for a twin and earth cable in a cavity wall without insulation....I understand with insulation its either 102 or 103 but these massively de rate a cable and so was thinking is it b without the insulation as it acts similar to...
  8. S

    Installation Methods

    Please could you comment on this installation on this 240v supply, particularly on the outer sheath stripped back on the orange circular, any reference to AS 3000 would be appreciated
  9. J

    installation Reference methods how do you choose?

    I recently got pulled up over my reference method I put down on a fuse board change at an assessment. I chose to use reference method C and he said he wasn't happy because there could be worse in the house. I had been in teh lost there was no insulation other than vermiculite and the cable was...
  10. gazdkw82

    Multiple reference methods

    Just practising filling out paperwork for upcoming assessment. Come to abit of a stumbling block. There are x2 3 phase circuits that have more than 1 method of installation. Which reference method do you list on the schedule of tests results? Also, for max Zs of the operating device, are...
  11. A

    Loft installation methods

    So new build bungalow is to have 300mm loft insulation as told by building control. This means installation method 101 comes into place however as it's a bungalow all circuits including cooker ring mains etc will be installed this way as they come from the loft space down. This installation...
  12. Bob Geldoff1234

    Installation methods in the BBB help

    Still revising for the 18th on Friday and have become stuck not being able to find the reference to the following in the BBB. I know where the reference methods of installation are in the book(pg 383,ref method a,b,c etc) but I am struggling to find where the installation methods are listed (eg...
  13. HappyHippyDad

    Rings, reference methods and CCC...

    Following on from another thread I have just replied to it got me thinking about ring circuits and reference methods. Appendix 15 shows a ring on a 32A MCB. It does begin with a get out clause regarding thermal effects but it just points you Chapter 42 which deals with fire. If for example we...
  14. Q

    Electrical installation refence methods

    Good evening I'm a trainee electrician and currently involved in some EICRs. Was just wondering about the installation methods codes, I've been looking through the 18th edition wiring regulations but can't seem to find the code for say twin and earth cable capped in a masonry wall and so was...
  15. gazdkw82

    Capping installation methods

    I know it's the basic of questions but I'm starting to question how I install capping. I do much work with it as most work that involes domestic work is usually just for friends or family. However, Everytime I do it I always think there must be an easier way. I've tried mortar nails through...
  16. C

    EICR tick sheet other methods of protection

    Hi all, iv recently passed my testing and inspection course and have landed a job doing EICRs iv noticed that people I work with are ticking all the boxes in the section for "other methods of protection" I dont believe they should be. Can anyone give me a break down of what each point means...
  17. H

    Checking installation methods of RFC

    Hi all, Been asked to installed some sockets in our sports hall. These are to power 4x 3kW blow heaters (yes, I know little blow heaters aren't the most efficient method of heating a large room like this, I've made my arguments and may be given the budget to do a proper IR heater install in...
  18. M

    OSG, bonding plastic pipes etc etc

    Hi all Having a thumb through the OSG and on section 4.5 Main protective bonding of plastic services, it says there is no need to bond an incoming service of the service pipe is plastic....thats kind of a given....my struggle lies on the next page; "Where there is a plastic incoming...
  19. rolyberkin

    What are your garden lighting method?

    What are your proven methods for installing garden lighting? I have always gone the low voltage route using swa to feed an led driver housed in a IP65 box then to the light using pond flex. I have a job where I need to run 6mm swa to a small CU in a shed (Mounted on gravel boards and/wooden...
  20. O

    Thoughts about early 1960's wiring methods .... please

    All, Just got in from fault finding a house with a RCD tripping issue ....... it clear cut which circuit is the problem as its almost a dead short L-E The issue is more about understanding the installation methods used around 1960 ..... the end to end readings for the live and neutral are...

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