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ryefield

  1. Retroelectric

    Ryefield Board

    Hello all. I have been asked to fit a Ryefield board and switch-fuse on an existing 3 phase supply so that a shop can have its own meter and 3 additional meters are going to be installed for future flats above the shop. All of these are currently on 60a switch fuses. Have spoken to UKPN and they...
  2. T

    Submain to flats ryefield board

    Been asked to connect submains up Have a 7 way ryefield board to split with 60 amp fuses in,has red fuses fake ones in each unit and meter will be there too Do we require a main switch fuse for each sub-main or is the 60 amp fuse okay in each. Isolater will also be after the meter Cheers
  3. H

    Isolator for ryefield board.

    Hello, I’m about to take on a mains room for a block of flats and the DNO are giving us a supply of 259kva. Now, would I need a 200amp TP-N isolator or a 400amp TP-N isolator from the main head to the ryefield board? I am also assuming I will require a CT chamber. This is my first project of...
  4. S

    Cable size Aluminium cable

    Hello all, recently been asked to look some incoming power supplies for some future works , and I’m trying to determine the size of these incoming aluminium cables as it’s not something I work / see on a regular basis. Would anyone be able to give me some inside to what they believe the...
  5. Q

    UK Ryefield Board

    Hi, we are installing 3 x 3 phase sub mains from a Ryefield Board in a new warehouse, can I connect the SWA’s feeding the sub mains directly to the Ryefield Board, or do I need to install isolators, then connect to the Ryefield Board. There is a cut out, meter and isolator before the Ryefield Board.
  6. S

    Ryefield board

    Hoping to install (if things get back to normalish) a Ryefield board on a job soon. Haven’t installed one before, according to the drawing from UKPN, the meters will be after the ryefield board - will the suppliers do their own tails into the ryefield board or will I have to supply that? Seems a...
  7. I

    Ryefield Query

    Hi all, Been asked today to quote for installing a Ryefield board which will in turn supply 1 x shop with 3 phase power and also 3 x flats with single phase power. My question is... Would the DNO connect directly into the Ryefield board or will they expect some form of isolation which I will...
  8. B

    Ryefield / bno - bs and law

    I'm interested in learning more about ryefield boards as none of my training so far has covered them. Does anyone know the relevant bs/bs en standards and legislation that applies? I've noticed g87, esqcr, iec 61439 and bs7671 seem to apply. I'd like to know about who has responsibility for...
  9. S

    Ryefield C060DPN Wiring

    We are converting a house into two flats and EDF require us to install a Ryefield Distribution Unit to spilt the single phase supply into two. I have bought the Distribution Box but it came with no wiring instructions. Please can someone tell me how it should be wired. I am an experienced...
  10. R

    Ryefield CT chamber wiring

    Has anyone got the wiring diagrams and pictures showing the wiring of a ryefield CT chamber.
  11. R

    Bno Supply - Isolator

    Hi, I am quoting the switchgear for a BNO install. I have only worked on MEM (Glasgow) isolators but was looking at the contactum TPN 200amp isolator as another option. I need some advice, if I should stick with the MEM. I will be terminating 95mm in the isolator after the UKPN cutout.
  12. C

    Electrician Jobs Supply to flats using Ryefield boards or mccb panel

    Hi all We are doing wiring to 6 flats.DNO will provide 200 amps service head on ground floor.All Swas for flat submains come to the intake area on ground floor. What is the best option for termibating those SWAs into individual switch fuses after Ryefield board or can i use MCCB panel.Do the...
  13. Upton Sparks

    RyeField Boards EICR

    Gent If any of you would have a minute to give your 2 pence on this I would appreciate it. I have a Rye field board supplying 10 Meters in a old house split in to Flats, The Tail for all of these Flats are installed with VIR cable, this is also from the Rye field board to the Meter , from...
  14. J

    max demand for flats

    Just double checking calcs if anyone bored! So for a block of 3 flats with no gas services- all flats same. +communal stairs over 2 floors (LED light few small panel heaters) Flat: Kitchen Ring (32a) (32) Ring (32a) (12.8) Oven (20a) (13) Hob (32a) (16.6) Immersion (16a) (16) Lights1 (6a)...
  15. joebell25

    Discrimination headache!!!

    Thought I'd try out this ElectricalOM software for a new installation I'm designing. However come up with abit of an issue with the discrimination on 2 of the devices. Single phase sub feed from DB2 (60898 type c 63A 10kA) to DB3, Final circuit from DB3 (61009 30mA 32A type c 10kA RCBO) Time v...
  16. B

    Ryefield Spares

    Does anyone know where I can get the missing plain top cover plate for a 24 way Ryefield Board? (see photo) Other than contacting Ryefield Engineering direct I've run out of ideas. EDF has complained that it is unsafe and asked that the missing plate be re-instated. According to the Building...
  17. A

    ryefield board confusion

    i am only a second year apprentice so please bear this in mind if this question comes across as stupid.. i am currently working on a site where one property (old pub) is being converted into 8 seperate flats, and at the minute we are working on the power distrobution to each individual flat...
  18. Leesparkykent

    Ryefield board prices

    After a 24way.....just wondering where other sparks buy from? My normal supplier has come back to me with a price of £1700 inc.
  19. D

    Ryefield board?

    Been asked by a client of mine, if i can install a 10 way ryefield board for his industrial unit. He has a three phase supply and has 10 separate units. How easy are these to install? I would want to put a 3 phase isolator in front of the ryefield board, is this correct? Any help would be great...
  20. L

    Ryefield after isolator etc

    Got a job to price, currently a single phase 100a service head, I need to supply 3no. 1 bed flats each to have own EDF meter and a common way meter to feed common way DB (lights/fire alarm etc) by my calcs 100A should be fine for all loads but I'd rather have a phase a floor with ground and...

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