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  1. R

    electrical plug and wire size

    Hello everyone. I know just enough electrical knowledge to keep me using my electrician. I am a carpenter and just bought a new planer. 220 volt 5 hp motor with 23 amp draw on the motor plate. The unit was sent with a 10 foot plug with 12 awg wire and an L6-30 plug on the end. The...
  2. D

    Battery How should I size battery system for a 75 kWh system powering a facility using 300 hWh a day. backup for short periods and peak hours but not prolong

    I have a basic model but not sure whats acually correct. I also want to have microinverters on each panel so any advice on that is appreciated.
  3. A

    running capacitor size

    Hi guys. I'm trying to proper size a run capacitor for a tbr4a031cdm motor. It's mounted in a closed enclosure in a small reverse cycle ducted system (used for heating and cooling). The specs are: single-phase, 240v, 315w, 2.6 FLA...
    • andre14
    • Thread
    • capacitor running size
    • Replies: 3
    • Forum: Australia
  4. S

    Cable calcs for right size cable

    Hey guys as some of you may know that I'm studying electrical installation at York college. I haven't really worked on site yet. Just wanted abit of help. As I'm doing cable calcs etc which I've got the hang off. Only issue I have is suggesting improvements as to smaller cable etc. Plus I...
  5. M

    What size cable, 100 amp sub panel?

    What size cable is used to connect a residential 100amp sub panel from an existing 100amp panel, 75 feet away? All Breakers will be removed from the main panel and move to the new subpanel.
  6. L

    Size of earthing lead for 10mm 3 core SWA

    I am installing 3 core SWA using a piranha nut. What size of earthing lead to connect the piranha nut to earth terminal do I need? Does it also need to be 10mm or I can get away with 6mm?
  7. Caplumbing

    What size kW

    Hello, I'm a plumber by trade and I need to fit an electric shower, it's already got a power supply doesn't look man enough for a 8.5kW electric shower, i was hoping you could point me in the right direction to make compatible.
  8. W

    What size SWA cable and what Distribution boards required to shed and garden office.

    Want to install a garden shed with Tumble Dryer and separate garden office building. I have run duct from side of house to where garden shed is going to be, then run another duct to where garden office is going to be. I am planning of having the office heated by electric most likely a plinth...
    • Wilf999
    • Thread
    • boards cable distribution garden garden office office required shed size swa
    • Replies: 14
    • Forum: DIY Electrical Advice
  9. N

    Incoming size cable ??

    Hi everyone, On a job at the moment and trying to Work out cable size needed for property supply. Lots going on and struggle to work out potential loads of new build not built yet. Loads 2 x ring main around 15 sockets Lighting circuits consisting of around 60 spotlights and outside...
  10. the pict

    What size crimps

    RCBO fly neutral lead what should I be using and what supplier has them Pict
  11. barisk

    Cable size for commercial extraction fan

    Hi , I’m going install a commercial 450mm extractor fan , what size and type of cable should i use ?
  12. happysteve

    Runpotec XB300 cable dispenser / runposticks / thread size

    Thinking of getting a Runpotec XB300 cable dispenser, as my yellow framed tripod thing is unsatisfactory for all the usual reasons. You can screw in a "Runpostick" (Runpotec's version of super rods) to extend the stubby little mandrel so you can put several drums on (e.g. singles for conduit)...
  13. Artimuskillz

    Subpanel feeder breaker size?

    This is a solar tie in generating 22 amps max current, hence the 25a/2p breaker on the subpanel but is there any reason the breaker feeding the subpanel has to be an 80a/2p? Can it be a 50a/2p? Attachments IMG_0010.jpeg 514.6 KB · Views: 2
  14. D

    Supply Cable Size

    Client currently has a DB in his outhouse. It feeds a pool pump and an air source heat pump. It is currently being supplied using a 4mm T&E cable. He wants the DB moved to his garage. It will still supply the two pumps but also a socket circuit in the garage. Having done my cable calcs, 4mm will...
  15. J

    Calculate the appropriate size of the protective conductor exam question

    fault = 400 A Operating time of protective conductor = 0.15 s Constant k, for the material of the conductor = 134 a 1.5mm b 2.5mm c 4.0mm d 6.0mm Just want to make sure I've got this right,
  16. K

    Conduit size for 200 foot run to sub panel

    I am adding a 60 AMP subpanel for a detached garage/workshop with a 200 foot underground conduit run from the main panel to the sub panel. Planning to use schedule 40 PVC. I have consulted with a local electrical inspector and determined that I should use 2 2 2 4 Aluminum THHN/THWN. However he...
  17. M

    Is this TN-C-S or TN-C, also earth bonding size.

    I've tried to understand one way or another but this seems to be connected to the DNO fuse/cutout, and then loops down (out of sight) and comes back up to connect to the outer sheath. The bonding looks like 6mm^2. And the connection point looks like that's the max it will take. As I understand...
  18. finhudson16

    Seemingly under-rater MCB for wire size

    Hi All, I'm looking at installing an induction hob in my kitchen (upgrade from gas) and I gather that it can be added to the cooker circuit if there's enough capacity. In the fuse box and at the cooker end, the cooker circuit is wired in with 6sqmm cable, but only has a 16A MCB which I gather...
  19. S

    Shower, what cable size and braker?

    Hi guys. I was wondering what size cable and braker I'd need for an electric shower. Just out of intrest am I close in guessing as follows: The shower unit is an 8.5kw. Total meters to C/U is about 15meters. 10mm cable, 40A fuse. the cable will be solely for the shower supply, and RCD 1way...
    • Stephenmunt
    • Thread
    • cable cable size shower size
    • Replies: 19
    • Forum: UK Electrical Forum
  20. H

    amp/ wire size noob ?

    when wiring a 240v 50 amp breaker, for example, does each hot wire have to be rated for 50 amps or 25 amps per wire? 100 amp breaker, 50 amps per wire or 100 per wire. I think I know the answer but not sure. thx.

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