phase

  1. V

    sizing neutral on a split phase 180 deg

    Hi, looking at installing a sub main down to a field to supply caravan hook up points. the supplier has stated they are installing 2 x 100 amp split phase 180 degrees apart. not worked on 460v/480v split phase - my question is how do i go about sizing the neutral. i plan to run a steel wire...
  2. P

    3 phase supply cost

    Does anyone have an idea how much UKPN would charge for a 3 phase 100A supply. There is an overhead transformer less than 100m away from the property & the poles go right pass feeding the building next door.
  3. J

    Info about phase testing with a steinel combi checker

    Hello. Recently used a steinel combi checker 1.2 to test various electrical items. Im ok with the voltage, continuity and single phase testing. However, i am not sure as to what phase testing is supposed to shows. According to the steinal guide it says"To perform the phase test, contact the...
  4. A

    Help with 3 phase pump wiring to sprinkler controller.

    Question on wiring? Sprinkler controller to 3 phase Goulds water pump. Sprinkler controller: "open sprinkler" uses 5vdc for master pump start circuit Goulds irrigator GT153 480v Eton contractor with 24Vdc control circuit and over load. Relay for sprinkler controller master pump on/off control...
  5. P

    Can I power 2 x 3kw immersion heaters from a single 3 phase contactor?

    Is it ok/advisable/legal to power 2 immersion heaters (both in the same cylinder) from a single 3-phase contactor? I need to connec
  6. C

    3 phase USA 3/60/220 to UK 3 phase is it doable thanks

    Hi 3 phase USA 3/60/220 to UK 3phase is it doable thanks oh and how?
  7. R

    Operation of a three phase UPS

    So looking at a system that utilises a couple of sizable UPS unit to supply various equipment through a site. The UPS is static with 3 phase output, both units have an input switchboard and output switchboard with a castell interlock so that the bypass can not be switched in unless the UPs...
  8. R

    New radial circuit to supply 2 double sockets on a 3 phase board

    So I'm back to work after the bank holiday and I've been asked to install a couple of sockets so they can plug this big beast of a ups system into it. Currently they have about 5 extension leads all linked to gather supplying it ? I've never worked on a three phase board before but I will...
  9. M

    Basic question on Phase 3 / Phase 1

    Hi forum, I have what I am sure is a very basic question and would be very greatful if someone could point me in the right direction. I have next to no electrical knowledge so can assure if any re-wiring is involved I will be taking the appliance to an electrican. I have just received a...
  10. S

    Coffee machine wiring 3 phase on single phase circuit

    This coffee machine is three phase model number sm 105e It’s three phase with 3 brown cables one neutral and earth What is the cheapest way to wire it in? thanks
  11. Mark42

    32A single phase output from 3 x 16A three phase supply. Is there a way?

    I have a workshop in a remote location which I rent out. The incoming supply is 3 x 16A three phase on 180m of 16mm SWA. An upcoming customer has a machine which needs a 32A single phase supply. (Actual load about 25A.) The energy is there, but it's split across the three phases. Is there some...
  12. S

    4.8kw electrical combi oven/steamer 3 phase

    In a small restaurant theres a single phase supply just wondering what size converter i would need to convert 3 phase to single phase and what size mcb to install into the ccu thanks
  13. G

    Roller Door Feed 3 phase (RCD?)

    HI all, changing a board in a commercial warehouse and they need a 16amp feed to a new roller door, there is an armored there that will do it and I'm fitting a new shnieder board with RCBO's, am i best fitting a 3 phase MCB in the board or a RCD commando by the door? Cheers Grand
  14. D

    Calculate 3 Phase MCB size

    Hi..I should probably know this but don't do too much 3 Phase stuff!! Can anyone give the formula for working out the size of a 3 phase MCB? I have a 12kw 3 Phase fryer to install. Cheers
  15. D

    3 consumer units off one 3 phase meter.

    Evening..Just wondering if it's acceptable to run 3 separate consumer units off one 3 phase meter, I have seen 3 consumer units off 3 meters on a 3 phase supply many times but never off 1 meter? Cheers
  16. E

    3 phase boiler install on domestic property

    Hi all, A customer is looking into the option of upgrading to a 3 phase power supply in order to get a new electric boiler system installed. They currently have a single-phase supply. They have an out-building with an electric car charger. Would an option be to have say a 1 way 3 phase board...
  17. B

    Old 3 phase Lucy Oxford main cut out- removing fuses

    THIS IS FOR ELECTRICAL NEWS ONLY
  18. M

    ABB ACS880 - INPUT PHASE LOSS (FAULT 3130)

    We are using ABB ACS880 for rootsblowers, when the drive is in REMOTE MODE, after running several minutes the drive will trip the equipment indicating FAULT 3130 - INPUT PHASE LOSS. When we run it in LOCAL mode, we are having continuous operation. We need it to be in REMOTE MODE so we can...
  19. HappyHippyDad

    3 phase kiln questions?

    A customer has asked me to install a supply for a Wenger Webcot kiln. The faceplate is very worn and I cannot see the kW. They state the kiln it type 3670w and is rated at 12kW. The paperwork does have 3670w on it but when I look at the spec sheet (see picture 2, SpecSheet) ) there is no sign...
  20. D

    Hagar rcbo’s in three phase board

    Has anyone had this issue before ? Was working on a three phase board, when I took the cover off I noticed a black spot on one of the rcbo’s. it happened to be smouldering and started to catch a light. I noticed another rcbo smouldering too. I instantly turned off the main switch as one of the...

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