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Thread: Electrical Q?

  1. #16
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    I've had proper qualified sparkies in who happily wired new switches and such up with the power still on. They are just "very very careful" to do one wire at a time, from old fitting to new fitting, to avoid crossing the beams.

    Just sayin'

    (Me, I turn off the whole house to do stuff like that.)
    Measure once, cut twice. Practice makes perfect.

  2. #17
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    Quote Originally Posted by AE4ME View Post
    Thats the bit that the light screws into huh? Would I have to turn off the power when changing that over?
    Quote Originally Posted by Whynot View Post
    That would be a good idea
    No No No .. that would be an essential idea !!!!

    Quote Originally Posted by Akzle View Post

    nah she'll be sweet.
    Are you trying to get our AE4ME killed ?
    "So if you meet me, have some sympathy, have some courtesy, have some taste ..."

  3. #18
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    Quote Originally Posted by pzkpfw View Post
    I've had proper qualified sparkies in who happily wired new switches and such up with the power still on.
    Yup. So long as the switch on the wall is off...
    TOP QUOTE: “The problem with socialism is that sooner or later you run out of other people’s money.”

  4. #19
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    Proper process would be to identify the circuit breaker or fuse, turn off the breaker and lock it, or remove the fuse. Test and then take the fitting apart.
    DeMyer's Laws - an argument that consists primarily of rambling quotes isn't worth bothering with.

  5. #20
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    Quote Originally Posted by AE4ME View Post
    Thats the bit that the light screws into huh? Would I have to turn off the power when changing that over?
    If you need to ask that question, don't do it. I'm being nice.

  6. #21
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    Quote Originally Posted by Nova. View Post
    touch the two wires together, should work.
    At least then you'll know which breaker it was ...
    He who makes a beast out of himself
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  7. #22
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    Quote Originally Posted by Whynot View Post
    At least then you'll know which breaker it was ...
    you make sure you twist the two wires together with your fingers though.
    your boots will keep you grounded.

  8. #23
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    If it is a recessed lite that has a 230volt screw in lamp then the contact at the end of the lamp - 'the Nipple' is prob not making contact with the metal tang in the centre of the lite fitting. These fittings have 2 contacts. the live one (if wired correctly) is the aforementioned centre one & the neutral is a horseshoe-ish shaped metal tang that makes contact with the metal thread of the lamp.

    More often than not the heat from the lamp & vibration cause the centre tang to bend upwards so it makes intermittent contact. Sometimes you can scew the lamp in harder to make contact but it wil still keep happening.

    With the switch off or fuse/ circuit breaker off get a longish PLASTIC blade like thing & gently give the centre tang in the fitting a slight tweak downwards. if that doesn't work call a sparky.

    As a note, recessed or downlites are notorious for blowing lamps. Usually it is from bad quality lamps (even expensive ones crap out as soon as they're fitted), excessive heat maybe caused by insulation over the fitting, vibration from anything & there is sometimes no reason for it. They tend to blow a lot at the start of wnter- I put it down to colder ambient temperature & quicker heating & cooling.

    I don't recommend downlites anymore to any of my customers. I always recommend surface mounted lites as they can be changed easily & updated.

    Sometimes i get called in due to the homewner not able to get the lamps out. They look faint as I pull out a screwdriver & hammer & give the lamp up to 3 really hard hits before it shatters & I can get the metal casing out of the fitting with pliers. Don't try that at home.


    If it is a 12volt dichroic type lamp with the 2 thin pins then it will either be the lamp holder &/ or transformer. if a 12v lamp keeps blowing & the pins look dirty black then get a sparky in to replace the lampholder as the lamps will keep on blowing as they are getting too hot due to bad contacts.

    If it is a white triple bar spotlite thing that are common in kitchens then just buy a new one the same siaze from liting direct or similar & get the sparky to replace it - they're not worth repairing or wasting the sparky's valuable time with.


    Now I have given you guys a bit of free information however I really recommend that you don't do any actual wiring yourselves. i have seen really brilliantly talented hands on type people make really simple potentially dangerous mistakes. A family member joined into a wire & put on a couple of bedside lites. Nice job however he joined into a 2 way wire that looked exactly the same as the others but caused the earthed metal of the fitting to become live everytime he turned the hall lites off.

    Lighting cable (1mm) is also very brittle & can break easily if not terminated correctly causing all sorts of head scratching.

    While i'm on a roll... in older houses the wiring pracises were different & they ran live wires to the centre lite fitting. they didn't use standard wire colours so replacing a simple battern holder type lite fitting can be like russian roulette - even for experienced sparkies.


    Please dont think that just cos you're a red blooded male that can rebuild an engine or reprogramme a space shuttle you should be able to do your own home wiring as it's not the danger that you could hurt yourselves doing it that I am concerned about but the risk of injury & loss of property to others down the line. Please think about that.
    In life as in dance Grace glides on blistered feet

  9. #24
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    Quote Originally Posted by Akzle View Post
    the fitting is fucked. 8$ at bunnings. 2 screws. easy.

    -edit-

    also, wipe the bulbs with meths or something and get your greasy fingerprints off them. they last longer.

    OK Azxle this is the second electrical questin you have tried to answer with an air of thinking you know what you're talking about. Spin shit all you like about something ese but please don't reply to honest questions like this as if you have electrical knowledge.


    Quote Originally Posted by BMWST? View Post
    maybe check that the wiring connections are clean tight and tidy before spashing out on a new fitting,at the switch and at the fitting that doesnt seem to work.Turn the power off first
    No - sometimes the problem can be caused by over tightening - you can't take chances with home wiring like you can with automotive stuff

    Quote Originally Posted by Nova. View Post
    touch the two wires together, should work.
    No never do this. I'm only replying to this as some people have tried this

    Quote Originally Posted by Madness View Post
    It's probably a dry joint, squirt some distilled water into the switch.

    as above

    Quote Originally Posted by Swoop View Post
    Yup. So long as the switch on the wall is off...
    NO

    Quote Originally Posted by Voltaire View Post
    Proper process would be to identify the circuit breaker or fuse, turn off the breaker and lock it, or remove the fuse. Test and then take the fitting apart.
    No it's pretty obvious the OP hasn't got much idea about electricity.

    Quote Originally Posted by Whynot View Post
    At least then you'll know which breaker it was ...
    No fuses & breakers may not blow unless everything else is correct

    Man apologies for sounding like a cock
    In life as in dance Grace glides on blistered feet

  10. #25
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    Man apologies for sounding like a cock:rolleyes
    When I went on my last refresher course most of the deaths due to electrical are from homeowners working on their houses, stapling thru cables when insulating.

    Turn up on my site and this is what I'll get you to do before lifting a tool:
    Annual 45 minute induction.
    A written Safe Work Method Statement
    A written Work Method Statement
    A Permit to Work
    Then there could be working at heights permits.

    We want to keep out of the news....er I mean keep our contractors safe.
    although I am registered I'm not allowed to do any electrical work as its not in my contract......I can change light bulbs though....
    DeMyer's Laws - an argument that consists primarily of rambling quotes isn't worth bothering with.

  11. #26
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    Quote Originally Posted by Voltaire View Post
    When I went on my last refresher course most of the deaths due to electrical are from homeowners working on their houses, stapling thru cables when insulating.

    Turn up on my site and this is what I'll get you to do before lifting a tool:
    Annual 45 minute induction.
    A written Safe Work Method Statement
    A written Work Method Statement
    A Permit to Work
    Then there could be working at heights permits.

    We want to keep out of the news....er I mean keep our contractors safe.
    although I am registered I'm not allowed to do any electrical work as its not in my contract......I can change light bulbs though....
    Yeah, a lot of sites lke that now, as well as those that require a full health and safety plan etc.

    I'm relaxed about it, I charge by the hour, and all that extra time is good beer money, although I must admit that some of the bigger clients have expressed surprised to be sent a bill for it.

    But safety will never become normal practice until its normal practice to be paid for safety.

    IMHO The O.P. should invest $100 in a sparky. Get it done right.
    David must play fair with the other kids, even the idiots.

  12. #27
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    Quote Originally Posted by Padmei View Post
    OK Azxle this is the second electrical questin you have tried to answer with an air of thinking you know what you're talking about. Spin shit all you like about something ese but please don't reply to honest questions like this as if you have electrical knowledge.

    interesting that you chose THAT to quote me on and tell me i don't know what i'm talking about.

    enlighten me as to exactly what i said that was wrong?

  13. #28
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    Quote Originally Posted by JustNick View Post
    Mate, do yourself a favour and get a sparky in or a friend who knows what they're doing.
    +1 and Have a long life! Merry Christmas!

  14. #29
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    Quote Originally Posted by Padmei View Post
    NO
    Better tell the registered sparky who showed me that one.
    TOP QUOTE: “The problem with socialism is that sooner or later you run out of other people’s money.”

  15. #30
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    [QUOTE=Padmei;1130443395]If it is a recessed lite that has a 230volt screw in lamp then the contact at the end of the lamp - 'the Nipple' is prob not making contact with the metal tang in the centre of the lite fitting. These fittings have 2 contacts. the live one (if wired correctly) is the aforementioned centre one & the neutral is a horseshoe-ish shaped metal tang that makes contact with the metal thread of the lamp.

    More often than not the heat from the lamp & vibration cause the centre tang to bend upwards so it makes intermittent contact. Sometimes you can scew the lamp in harder to make contact but it wil still keep happening.

    With the switch off or fuse/ circuit breaker off get a longish PLASTIC blade like thing & gently give the centre tang in the fitting a slight tweak downwards. if that doesn't work call a sparky.QUOTE]

    Hey, thanks for putting in the time and effort to write up all this info. I thought it would be an easy fix but seeing as how it's not my house and I'm just boarding I wont actually attempt to do anything myself, as I said I thought there might be something I could do myself but after seeing that the power will have to be turned off I might just let the people know whats happened, I just feel bad as they had to replace the showerhead as that had a split in the hose and now this...just feel like I'm breaking everything even though it's not my fault lol
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