distribution | Page 7

distribution

Recent contents View information Top users
  1. sparkymalarky

    Distribution board labelling

    Alright lads, I am after a solution in regard to distribution board labeling. We only use Schneider distribution boards and instead of hand writing 1L1, 1L2, 1L3 all the way through to 18L3 or whatever the case may be, I was wondering if any of you know an easier/neater/tidier solution? I was...
  2. Poult12

    Distribution Circuits

    Again found in the professional electrician and installer mag
  3. M

    Before you change a distribution board

    Disconnect the wiring from the existing "fuse box" go around the house and unplug everything, and I mean everything from the socket outlets, remove all light bulbs from lights and ensure all switches are on. Then remove a IR tester from your tool kit and send 500 volts down all cables which have...
  4. Simonslimline

    Distribution Voltages.

    I have a practice paper for a college exam coming up soon. The question is ... (Which of the following is an example of a Primary distribution voltage) A) 400V B) 275KV C) 11KV D) 3.3kv I think the answer is 11KV, 400v would be secondary and 275kv would be classed as transmission i think...
  5. W

    Rcd head scratcher

    Farm job im at has a problem three phase tt system comes into main barn area, three phase main distribution board (with 100mA s type 4 pole rcd as main switch) supplying barns and general farm buildings Swa single phase supply to farm house(around 40meters away), supplied directly from meter...
  6. P

    caravan park mains distribution problems

    A caravan site I have recently worked on had a switch room adjoining a sub station, in the switch room the circuits feeding a large site are terminated in 8 x 200 amp three phase and neutral Glasgow switch fuses, these are marked in pairs as rings going east, west, south and north. My job was to...
  7. Davehaywire

    Working on live distribution boards?

    Can anyone tell me if I'm asked to work on a live db be it TP or SP lv ,by my employer,as I have done for many many years in cases where the board cannot be isolated for various reasons. if for some reason I'm electrocuted and I have a hot works permit or not, should my employers insurance cover...
  8. A

    Lighting circuit - is it allowable to have two branches from the distribution board

    Hi, Quick question. If the consumer unit is located near the middle of area to be served by the lighting circuit, is it allowable to run the circuit as two radials from the same RCBO, one running in each direction? Thanks, Tony S
  9. S

    TT distribution circuit

    Hi, a bit of advice required. I need to install another d.b to a garage, the tails are to be split. The earthing system is TT, the cable is armoured, clipped to the side of the building & over to the garage on a small cantenary wire. As it is TT would the distribution cable need to have rcd...
  10. L

    3 Phase Distribution Boards

    Hi All I have just pulled out 4 x 12way 3 Phase Distribution Boards if anyone is interested! All fully loaded with single and 3-phase MCBs Open to offers I know i might get a lot of stick as selling used electrical is a no no, but there is always customers who cant afford to pay for a new DB
  11. R

    Distribution board height when replacing original ?

    Replacing a dis board at a house its 6ft up inside a cupboard . What height does this have to be for the new board ? Do i have to lower it for part M ? I`m using this for one of my assessment jobs so i want it to be right All answers appreciated ( even the smug ones )
  12. C

    3 phase Distribution boards - small

    I need to connect a 3 phase inverter for a 10kW PV system through its own 3 phase breaker to the incoming supply. There are no spare fuseways in the avaialbe DB so I need to put in an additional DB. I would ideally like a single way (for a 3 phase breaker - i.e. 3 lines) 3 phase DB with mains...
  13. E

    Wiring of the Distribution Board with RCD , Single Phase (Plz Help)

    i want to install a single phase energy meter with RCD Distribution board..So i found a diagram here..can i apply this in my home installation. please take a review Wiring of the Distribution Board with RCD I would be very thankful if someone help.. Thanks in Advance.
  14. I

    protecting cable inside a distribution panel.

    Hi, Just came across something earlier that made the have a think. Distribution panel fed by 25mm cable. This goes directly in to a D50 breaker. The D50 feeds 4 6mm cables squeezed in top of the MCB that feeds small 3 phase bus bars, these in turn feed 1.5mm circuits. I have fitted MCBs to...
  15. F

    Total load on distribution board

    Hi im looking for someone to help me understand the total load that can be pull from a dis board. Ie: I have 3phase dis board on a 250amp breaker. The board is filled with mcbs of mixed ratings. However if I add the rating of each MCB together it far exceeds the 250amp breaker on the board...
  16. G

    RCD Protecting Twin & Earth Sub Main

    Hi first post here, did have a search around but couldn't find previous posts that answered exactly what im after. Had a look at a friends electrical wiring this eve and trying to advise them, as they are now unsure of the "future proofing" they have done would be compliant. (Im not a sparky...
  17. M

    Testing of DC/AC inverter fed Distribution board

    Hi guys, We have upgraded a DC supplied crane with a 460V DC to 230V AC inverter to supply a D/Board for lighting and 110V transformer for tools etc. The question I have is as the Inverter is self regulating its max ouput to 38Amps it will never produce fault current to trip devices as per...
  18. B

    new sky installation

    Good evening, I have recently completed a new built 4 bedroom house,now time for 2nd fix, the client wants sky hd in the lounge and the master bedroom, with the other 3 bedrooms and the kitchen to have freeview and the same channel as sky in the lounge. I have run 3 coax's too the lounge and...
  19. P

    Sub distribution supply fault protection question

    Hi, carried out an inspection this week on an installation which consisted of two phase three wire to a small building from an electrical switch room. The supply is wired using 25mm LSF/SWA protected by BS-88 at the sub. At the building the supply is terminated into a 947-3 isolator and then...
  20. M

    Availability of RCD for older wylex distribution board

    Hi, I'd like to replace one of the breakers on an older Wylex board with an equivalent RCD. The current breakers are NB series "Type 2". If anyone knows IF I can find 20 or 25 amp RCDs that would fit and that are not wider than 2 standard breakers, and then of course, WHERE, that would be...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top