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  1. R

    unistrut lighting system

    yea there is no cpc and looks like the unistrut is the earthing.I think Snowhead is correct it dates to the 70/80 time period.Will give the boss all the options as discussed thanks for all your help everyone
  2. R

    unistrut lighting system

    some photos of unistrut
  3. 20180912_094416.jpg

    20180912_094416.jpg

    • rockrose
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  4. 20180912_094358.jpg

    20180912_094358.jpg

    • rockrose
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  5. 20180912_094641.jpg

    20180912_094641.jpg

    • rockrose
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  6. R

    unistrut lighting system

    yea thats what i want to do but the factory boss wants use the unistrut to save money on trunking and time
  7. R

    unistrut lighting system

    sorry no photos yet there is a metal lid that covers the unistrut ,may require steel conduit drops later for power and switching that is the reason to replace with trunking for more space and connecting conduit
  8. R

    unistrut lighting system

    not just as bad as that pvc only red and black, connectors,tape wires run over ballasts,over heating mounds of dust on top of unistrut. is there any regs not allowing unistrut to be used as a wiring system
  9. R

    unistrut lighting system

    yea matches the same profile as unistrut
  10. R

    unistrut lighting system

    cables held in place with wood retainers no earth at fittings
  11. R

    unistrut lighting system

    Hi in a factory with old t8 light fittings fitted and wired on a unistrut system.The job is to replace them with led fittings i suggested removing the unistrut replacing it with 50/50 galv trunking the factory boss wants to leave the unistrut to save time and money and rewire and fit new...
  12. R

    415v to 380v step down trafo

    Thanks for your reply Besoeker,will do machine will be installed in January.
  13. R

    415v to 380v step down trafo

    Hi i have industrial washing machine originally from Italy which was installed in the UK with a step down trafo from 415v to 380v now the machine is to be installed in Ireland with line voltage of 400v. my question is do i still require the step down trafo, am aware of current and torque...
  14. R

    1 inverter 2 3phase mtors

    yea good idea will give it a try also
  15. R

    1 inverter 2 3phase mtors

    will give a update when finished but will take some time thanks for your help
  16. R

    1 inverter 2 3phase mtors

    Your right on all of above manufacturing date of machine is 1959 its job is to dry cloth app 2m wide with a continous input of 60m pieces.The split pulley arrangment is also good way of speed control when set the 3kw motor split pulley will be fixed permantely(no mechanical speed control)leaving...
  17. R

    1 inverter 2 3phase mtors

    Hi the split pulley arrangment is 1 pulley on the load side(not on motor)1 half of the pulley(vbelt c section)is fixed the other is adjustable by mechanical means in and out varing the diameter of the pulley thus given slower/faster roatation this is non electrical and will not be linked...
  18. R

    1 inverter 2 3phase mtors

    Hi almost impossible to link both motors mechanicaly was done before with some sever problems ,2 motors only way to go There is a need for speed control on 1.1kw motor faster/slower than the given control by inverter achived by the split pulley mechanicaly which will be left in place. Both...
  19. R

    1 inverter 2 3phase mtors

    job will not be done for while jue to down time required may do amock up beforehand to see what is best
  20. R

    1 inverter 2 3phase mtors

    sorry my mistake the 5.5kw should read 3kw motor at the end of first post now changed

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