conduit

  1. T

    Oval conduit fill sizing

    Running some cables and fitting some back boxes to save some money in preparation for an electrician to do a 1st fix. Just wondering if there is a simple table available to show what size cable(s) will fit into oval conduit? Specifically 2 x 6mm2 T+E cables (induction hob and oven) and 2 x 4mm2...
  2. D

    The future of conduit installation is here

  3. B

    USA Adding liquidtight to rigid metal conduit

    Hello I have an existing run of rigid metal conduit outside of my house that feeds several outdoor receptacles. There is no separate ground wire inside the rigid metal conduit. Is there a way that I can use liquid tight to run to a new extension receptacle? What I am particularly concerned about...
  4. R

    Does a ring with RCB protection need a designated earth or can it terminate through the conduit?

    Hello I am adding a couple of sockets to an old industrial installation. I am replacing the existing sockets and adding two more into the ring. The installation is earthed through the metal conduit and an RCB has been retrofitted to the circuit after the old style fuse board. Is it...
  5. S

    Galv conduit question

    Hi. Is there some kind of cable protector that I can pop on the end of length of 20mm conduit to stop the cable chaffing? Just running cable into vertical drops in a garage. Cheers Spynage
  6. G

    Single core cable in conduit terminating outside

    Looking for some advice; I am intending to mount two led downlights on pillars/brick walls either side of the garage door opening. I will drill through the cavity to feed the cable through. There will be a PIR sensor mounted in the middle above the garage door. Internally i wanted to put the...
  7. A

    USA Best option to run generator line

    Hi all, I just joined this forum as I was embarking on few projects at home, and loved what I saw in the different threads! I am in the process of adding a generator inlet box to my house and had a few questions. I'll start with one of them which is about running the 50A wire outside the home...
  8. B

    Solar Flexible steel conduit as mechanical protection

    Hello I’m new to the forum (posting on it anyway). I could do with some advice... Over the last 2 years I have been subcontracted (labour only) to commission solar PV systems. Often these are newbuild properties and when I get there the panels are already on and the DC cabling done. About...
  9. S

    External wall downlighters & conduit cable

    Need to run conduit on a wall with break out points for wall mounted down lighters along the way. But struggling to find downlighters that mount on conduit junction boxes or support conduit ingress / egress points. Most downlighters seem to cater for rear cable entry only. After some...
  10. LewisM

    5x 1.5mm - 25mm conduit

    Hi can you get 5 *1.5mm lsf twin and earth cables through a straight piece of 25mm with a bush and coupler?
  11. G

    UK Conduit and loft insulation?

    Hi, Iam replacing my loft insulation to a thickness of 270mm, putting 100mm between the joists and then 270 over the top, then flooring it. I’m Putting 175mm loft legs on top of the joists which are 130mm which should give a slight air gap. My question is there is 20mm metal conduit running...
  12. R

    Conduit Bender

    I don’t suppose anyone is selling a Conduit Bender?
  13. V

    Singles in conduit underground - Any reason why not ?

    I've been called in to complete a job started by someone else and I just wanted to ask the following: Basically it's to provide power to a garage and then on to provide power to a Summer House. What has been done already is a PVC conduit has been buried under the patio between the main house...
  14. J

    Earthing of a conduit

    Hi there I work in a shopping centre and the tills are supplied by a chrome pole ( non standard ) that comes from a metal burgess ceiling . Inside the pole is a 2.5mm 3 core flex and a CAT6 cable (non screened ) that supplies the till . This pole does not have any earth . I’m now being asked to...
  15. C

    Conduit Calc

    Hello guys I need to install X4 95mm tri rated tails in some metal Kopex Nominal Overall Diameter 18.7mm What size kopex would suit this cable bunch and does anyone have current carrying capacity guides as for a 200a supply 70mm tri seems capable in some cases but 95mm might be needed...
  16. InfinitPipe®: Onsite Manufactured Continuous FRP Conduit

    InfinitPipe®: Onsite Manufactured Continuous FRP Conduit

    This video shows how a jointless conduit of any length can be manufactured on site. The product can be used for new cable installations. More importantly, we can use the same technique to build a conduit around existing cables without disconecting the cables at the ends and taking them out of...
  17. J

    30A Ring in conduit in Concrete wall

    Conduit has part of run in free air, part in concrete with external wall insulation on one side. What derating factor / cable size ?
  18. S

    PVC vs Galvanised Conduit: Current Capacity Enclosed In a Thermally Insulating Wall?

    Is there any advantage from the perspective of current ratings/de-ratings of using galvanised round conduit over same size PVC conduit? With both to be chased/buried in brick wall and plastered over? If so, where is this specified? Cheers
  19. K

    metal conduit Running multiple singles through a metal clad box

    Hi . Im running some conduit , a long horizontal with metal clad boxes , with vertical runs to a term box for light fittings and a couple of smoke alarms . Was going to use 4 way boxes dropping down to the sockets and up to the light s. Is it acceptable to run them through the metal clad boxes...
  20. Dartlec

    CU replacement with earthed conduit and singles

    Just carried out an EICR on a flat that was wired in the 70s - with singles run in earthed conduit to each point and the trunking providing the earth at each socket/light point. Ground floor flat, so needs RCD protection on sockets at least and seems due a CU change, but I have no experience...

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