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Discuss High level cabling with long life span in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. Doomed
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    Doomed Electrician's Arms

    Location:
    Dorset
    Replacing some lights on top of front elevation of really tall building, once in 25 years scaffolding job.
    At present in MI, but due to roof works this will have to be stripped out.
    The new lights are going to be 100W LED units.
    The new roofing structure has ducting approx the size of MT3 built in to it and openings are to be made where the lights have to go.
    What cable would you use?
    Note: this is a marine enviroment
    Note 2: I got to the top of the scaffolding and had to wimp out, much to the amusment of my work mates.
     
    • Like Like x 1
  2. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    MI
     
    • Agree Agree x 1
  3. westward10
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    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Top Poster Of Month

    Location:
    Northamptonshire
    Is it exposed to the light and water.
     
  4. ipf
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    ipf Forum Mentor

    Re do in MI is best, especially in marine environment. If not, swa.
    If any of the cable is open to sunlight or water it could cause problems, so if someone recommends FP, tell 'em where to shove it.
     
    • Agree Agree x 1
  5. littlespark
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    littlespark Electrician's Arms

    Location:
    Scottish Borders
    How high is this scaffold?
    Would you feel safer on a cherry picker?
     
  6. Doomed
    Offline

    Doomed Electrician's Arms

    Location:
    Dorset
    It is tight up to the roof with a meter or so overhang mostly, should avoid direct sunlight and water mostly, but it is on a exposed pier like structure
     
  7. Doomed
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    Doomed Electrician's Arms

    Location:
    Dorset
    I'm the only one old enough to do MI and I'm NOT going up again :)
     
    • Funny Funny x 3
  8. ipf
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    ipf Forum Mentor

    What do you mean, I was doing that stuff when I was 16;)
     
  9. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    Don't talk rubbish, how old are you then? like ipf I was doing MI when I was the same age as him
     
  10. Doomed
    Offline

    Doomed Electrician's Arms

    Location:
    Dorset
    Probable the equivalent of a six story building - yes I'm a wuss - I used to do rock climbing as well!
    [​IMG]
    You can see the existing lights
     
    • Like Like x 1
  11. Doomed
    Offline

    Doomed Electrician's Arms

    Location:
    Dorset
    I'm the old man of the team, the youngest has only touch MI as part of his training!
    Its a fading art - anyone fancy a visit to the coast :)
     
    • Like Like x 2
  12. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    Wuss, used to do work like that off of a ladder:eek::oops::confused::tongue: sometime off of a couple of cable drums.
     
  13. Yplan
    Offline

    Yplan Active EF Member

    Location:
    Yorkshire
    Hi lads,

    New member here but just wanted to add my thoughts,

    If it's yt3 size trunking so kept hidden from direct sunlight and the elements would flat twin or hi tuff not be acceptable?

    I've never done any marine work so dont the know if I'm talking absolute bo**oks

    Yplan
     
  14. littlespark
    Offline

    littlespark Electrician's Arms

    Location:
    Scottish Borders
    One of my first jobs as an apprentice, 3 men, 3 lads on the job was at Leith Docks in Edinburgh, replacing floodlights on the roof.
    Access was by a tower scaffold, as high as it could go, then a ladder from the platform onto the roof. Finally another stepladder on the roof, up a 6ft pole to mount the floodlight on top.
    Don't tell H&S

    This was before I developed shaky leg syndrome... I get that climbing a ladder nowadays.
     
    • Like Like x 1
  15. suffolkspark
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    suffolkspark Electrician's Arms

    Location:
    suffolk
    Nyyj should do fine, trouble is i dont know how long compression glands really last, does salty sea air deteriorate the rubber seals (probably not rubber rubber but you know what i mean)
     
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