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  1. #1
    Join Date
    Mar 2008
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    Cairns
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    229

    Default sign at front of complex tripping RCD

    i have narrowed down to the sign at the front of the complex is tripping the break when ever i turn it on. there a switch in the office that turns the sign on and off, there is also a isolator switch on the sign itself.
    whenever i turn the sign on it trips the breaker, even though the sign isolator switch is off.
    i opened up the junction box under the decking at the base of the sign posts and found this.
    i think i found the fault.
    electrician coming monday.
    Attached Images Attached Images

  2. #2
    Join Date
    Aug 2010
    Location
    ACT
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    85
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    546

    Default

    Little bit f***ed.
    Hugh

    Enough is enough, more than enough is too much.

  3. #3
    Join Date
    Mar 2008
    Location
    Cairns
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    229

    Default

    Quote Originally Posted by A Duke View Post
    Little bit f***ed.
    slightly, soo much for the IP67 enclosure it is in.

  4. #4
    Join Date
    Sep 2005
    Location
    Bendigo
    Age
    60
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    226

    Default

    Quote Originally Posted by wozzzzza View Post
    slightly, soo much for the IP67 enclosure it is in.
    Don’t think it has anything to do with the IP67 enclosure, probably due to the NON IP67 tek screws or cracks that have been put in it.
    The generous application of silicon may also be a factor.

  5. #5
    Join Date
    May 2012
    Location
    Woodstock (Cowra)
    Age
    75
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    832

    Default

    and also the holes in the base not sealed as well. Judging by the absolutely $hit workmanship of whoever did it originally they should find a new line of work
    The person who never made a mistake never made anything

    Cheers
    Ray

  6. #6
    Join Date
    Nov 2011
    Location
    Melbourne
    Posts
    1,184

    Default

    It actually looks like condensation in there!

    Cheers Matt.

  7. #7
    Join Date
    Mar 2008
    Location
    Cairns
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    229

    Default

    yeah it is a pretty job at the bottom and cracked, who know who did it, probably decades ago. hopefully getting fixed properly today.
    was full of water from a burst pipe next to it but looking at it, been rusty for quite a while.

  8. #8
    Join Date
    Sep 2005
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    Bendigo
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    60
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    226

    Default

    Quote Originally Posted by wozzzzza View Post
    yeah it is a pretty job at the bottom and cracked, who know who did it, probably decades ago. hopefully getting fixed properly today.
    was full of water from a burst pipe next to it but looking at it, been rusty for quite a while.

    Burst pipe ?
    Was probably the plumbers then

  9. #9
    Join Date
    Mar 2008
    Location
    Cairns
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    229

    Default

    this was a bit weird. the old rusty wiring in the fuked junction box pictured above on the sign post under the decking looked like the culprit but wasn't. it was another junction box 5 metres away at ground level, well slightly below, that fed this sign its power. this slight underground junction box had water in it as well, pulled the lid, lifted the wires out and dried it and turned power on, you could hear fizzing and a bang as the breaker blew from the conduit going to the sign.
    so we worked out that a wire had a break in it down there or something similar and possibly the water was playing with it. because there were a few phases in this conduit the electrician took the power going to the broken wire and routed it to another one and it is now working ok.
    Attached Images Attached Images

  10. #10
    Join Date
    Jun 2010
    Location
    SW Victoria
    Posts
    96

    Default

    And what colour is earth, is it brown?

  11. #11
    Join Date
    Mar 2008
    Location
    Cairns
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    Default

    Quote Originally Posted by r3nov8or View Post
    And what colour is earth, is it brown?
    hard to tell, there were many colours in there, could have been the red one.

  12. #12
    Join Date
    Jul 2005
    Location
    Oberon, NSW
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    64
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    0

    Default

    Is that a water line near the top of the box? How high are the tides around there?
    I may be weird, but I'm saving up to become eccentric.

    - Andy Mc

  13. #13
    Join Date
    Mar 2008
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    Cairns
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    Default

    Quote Originally Posted by Skew ChiDAMN!! View Post
    Is that a water line near the top of the box? How high are the tides around there?
    nope, no water pipes in that photo. only one main 50mm pipe around 1m near it that burst a couple weeks back that filled this box. this box went under when that went but never tripped any breaker then.

  14. #14
    Join Date
    Feb 2015
    Location
    Hobart
    Age
    78
    Posts
    190

    Default

    Quote Originally Posted by r3nov8or View Post
    And what colour is earth, is it brown?
    Pick a colour...any colour!!!

  15. #15
    Join Date
    Aug 2023
    Location
    Usa
    Posts
    1

    Default

    Blue


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