Recent content by tallpault

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    Supply to Fixed 200 Year Old Boat

    Appoligies just got in and read through the comments.The boat is sitting in water.Ill get a few pics and post up tomorrow.
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    Supply to Fixed 200 Year Old Boat

    A bit out of the ordinary this one. Carrying out an electrical install on a 200 year old ex warship. We have installed Rcbo protection on all local circuits on the boat. There is a 50mm 4 core swa cable going to be supplying the boat direct from a lucy box with a isolator then cutout and meter...
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    Disabled Alarm at Caravan Park

    Has anyone been involved with the installation of a disabled alarm in a building remote from a occupied building. I'm carrying out electrical works to a remote shower block in a caravan park,as an after thought the owner has decided to install a disabled toilet/wet room in the block. He has...
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    DPN5 Tick Sheet Explained

    An absolute fantastic post.I really dont know why the nic dont supply something similiar.
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    High Zs on 800A MCCB

    The transformer is 5m away form the main panel board.The supplier provided a 3 phase and neutral supply and we were instructed to link out the neutral and earth terminals within the panel board by the supplier which was done .Obviously giving us a tncs system There is an acb main switch rated at...
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    High Zs on 800A MCCB

    High looking for a bit of advice might be picking this up incorrect. A main supply panel board with an 800a and 400a mccb feeding a factory an office block respectively. Tested Ze 0.07 ohms Production Building Zs 0.04 ohms Office Block Zs 0.07 ohms Length of runs from panel board to both...
    • tallpault
    • Thread
    • canada high zs mccb
    • Replies: 9
    • Forum: Canada
  7. T

    Schedule of items inspected

    Carrying out periodics on various council properties would i be right in putting down limitations for- Selection of conductors for current carrying capacity and voltage drop if there is no design information. Erection methods if not present during the instillation. Routing of cables same as...
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    Faulty Ventilation Fan

    Hi,i have been asked to repair a ventilaion fan in a garage that only starts after it has been spun manually.Would that mean a faulty capacitor? Any info would be appreciated
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    High PFC

    Had a better look today. It's a Dorman Smith Panelboard,with 3 3 Phase DB,s on it, all the Mcbs are rated at 3Ka but each one of the DBs are protected by a 63Amp Bs88 Type G fuses. Would that mean the rating of the mcbs would be negated by the 80Ka BS88 fuses.
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    High PFC

    Not checked that,ill check it tomorrow.
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    High PFC

    Looking for a bit of advice going at the back of a company who carried out a periodic in a shopping centre. In the observations they have listed as a code 1 that the Ka rating of the MCBs are unsuitable for all the circuits in the DB as they are 3Ka with the PSC 4.8Ka. But i thought the 4.8Ka...
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    Inspection and Testing codes

    Testing a premises with single compartment trunking,containging lighting and power wiring alongside data cabling and telephone wiring,would this be classed as a code 1 or 2. Also contained within this building there is 3 sepperate offices with there own metered supplies,sharing a common water...
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    Inspection Help

    I am in the process of carrying out a periodic in a school and am looking for a bit of advice. I have came across a 12kw electrical water tank mounted above a false ceiling on two rsj's,would they have to be bonded if so what code would that be. Also there is a electrical water fountain mounted...

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