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  1. S

    TNS supply reading query

    I've got a TNS supply coming into the building with a reading of 0.76ohms. The maximum is 0.8ohms. On circuit one I have a 3phase socket with a reading of 0.88ohms on a breaker60898 C32, maximum permitted for this breaker is 0.72 ohms which is already below my reading of 0.76. How do I make this...
  2. S

    rcbo fly leads

    quick question can u cut the neutral and earth fly leads of a rcbo when installing them into a distibuton board so you can make them look somthing? the curly neutral lead is a pain i want to straghten it and cut it to fit is this allowed?:banghead:
    • stumas
    • Thread
    • aus better electricians' talk leads length rcbo together
    • Replies: 11
    • Forum: Australia
  3. S

    yy cable advantages

    sorry i v reposted as i meant yy cable so can anybody tell me why this would be used insted of twin and earth for genral lighting and power as yy is a controll cable and mor expensive than twin and earth.
  4. S

    can i drop cables down 100mm internal metal plasterboard walls

    can i drop cables down 100mm internal metal studded plasterboard walls as someone says i cant becouse the gap cuold be less than 50mm each side of cable, if not what should i do if i cant use rcd on the curcuit.
  5. S

    s y cable advantages and disadvantages

    why would you use yy cable for general lighting and power in a commercial environment over twin and earth, any ideas? what would be advantages and disadvantages any help would be grateful. thanks sorry yy not sy
  6. S

    pat testing class 2 equipment miniumum reqiurments

    when pat testing class 2 equipment do you only have to do a insulation resistance test as a miniumum? or do you have to do more to cover the code of practice
  7. S

    24 v sds which is best

    Im looking to get a new 24v sds drill im on a tight budget and yes i want it to last forever lol does anybody know of any deals or just good buys dont really want to spend more than £350.00 but would do if needed
  8. S

    testing video

    anyone can tell me where i can download a testing video i saw a robin one once and wondered if there was somwhere i could download one for free
  9. S

    spare cores when using armoured help

    a panel which is fed by 2x 15o mm 4core armouds which is using the amoring for the eath has the 2 neutrall conducters tapped up inside the panel as no nuatral is required is thi ok or should they be connected to earth is there a regulation about spare cores or any recomendations help please
  10. S

    online wholesalers

    who knows of some good online wholesalers, good meaning cheap lol im after swa armoured cable and glands outside sockets and lights any help would be appreciated thanks
  11. S

    inspection report

    my niece has just moved into a rented property and found the db board under sink ,could this pass a periodic inspection report? see pic
  12. S

    rcd protection on sockets

    got to do a inital inspection of a db in a new sub-station feeding just sockets lights heating ect it all installed in metal conduit and is spead over three rooms my question is do the sockets need to be rcd 30ma protected or can you get away with it as only competant person are only allowed to...
  13. S

    Pat test of 50mtr 2.5 mm ext reels

    Pat testing of110v 50meter 2.5mm extension reels they are brand new can I pass them or do I have to cut them in half so they are 25 meters long ??? Help
  14. S

    fluke 1653b efli readings

    ive just purchesed a new fluke 1653b multi tester when taking a eath fault loop reaqding on loop no trip setting i get a differant readng to when i take a reading on the hi current setting is this meter faulty can anyone help the readings i get on the same 32a ring socket are notrip setting...
  15. S

    main earth to water, gas

    main bonding to gas and water can they be conected to the earthclamp with a crimp or do they have to be conected directly to the clamp is there a reg or is it good practice to conect directly help reqiured please
  16. S

    who's taken the new AM2

    Has anyone sat the new AM2 exam if so any help would be helpfull
  17. S

    high resistance joint?

    what is a high resistance joint? and how would you test for one? im thinking a loose conection could this be right?
  18. S

    underpinning knowledge questions -connect

    1) What are the main types, their advantages and limitations of different electrical connections? 2) What are the procedures for the connection of single and multiphase circuits? 3) What are the implications on the choice of connections with regard to permanent or temporary purposes? Any...
  19. S

    3ph in small office ?

    hi can anyone help on this, sockets installed in a small office say 9 foot x9 foot,13a sockets on adjacent walls on seperate phases ie on wall A phase L1`ond on opposite wall b on phase L2 is this allowed as there is a potential of 400v. if not what reg is it and is there a specific distance the...
  20. S

    October 22nd 2391 Exam Results

    Hi, Does anybdy know when the exam results will be out for the 2391 exam which was held on the 22nd of October 2009 Thankyou in advance.

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