rcd's | Page 4

rcd's

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  1. Sparky_Steve

    red tab in crabtree starbreaker busbar

    I have a metal clad crabtree starbreaker board which i'm planning on using rcbos with how do you remove the red tab?
  2. M

    Harmonics and tripping RCD

    I have just completed an installation on a fruit farm which all tested 100%. There are 3 x 3 phase pumps 32a 41a & 41a, only 2 run together at an one time. When the second pump is started the 100A 100mA trips out. The pumps are run from variable speed controllers on a three wire system, no...
  3. leep82

    RCD's in Domestic Properties

    Just wondering, all my training was done towards the 17th edition so i have always known/installed RCD's were necessary in domestic installations. My mum has recently moved house and when i went round to have a look, i naturally gave the mains a glance. TNC-S supply and a split load board with...
  4. matt1386

    RCD's in domestic properties

    Evening all, just a quick question we have recently been carrying out some remedial work for a company after another electrical company let them down Its basically taking down / refitting outside lights before and after the company has rendered the houses ( its a grant scheme so all the...
  5. F

    480VAC MCB & RCD required

    I'm doing some electrical work for a firm that is building some equipment to be installed for a client in Canada. The minimum rating of the 3 phase MCB's and RCD's need to be minimum 480 VAC Any names of manufacturers that provide MCB's or RCD's to operate to 480 VAC would be much appreciated...
  6. S

    high integrity board layout - Is this Ok?

    Hi, I have looked inside my Dad's Consumer Unit and I noticed that it has 2 RCD's but also 1 RCBO. I've seen these before but on my dads I was worried that it has to many (live) terminations into the bottom of the main switch? It has the usual 2 live conductors (wires) in it each going off to...
  7. markythesparky

    110v tranny and rcd's

    This has probably been asked on here before but at the risk of being boring I shall ask again. Why do some 110v transformers trip rcd's when there is no sign of any fault in the supply flex or plug top?
  8. M

    GE RCD's

    Done a install today fitted 3 off 4 pole 40A 30ma RCDs all tests 1X,5X 180 deg all good figures all triping well within regs also good on Ramps . Test buttons will not trip them ?????? strange. Thoughts. 3 Duffs ?
  9. P

    agricultural building

    Assistance please anyone with a reg book (can't find mine, may have to empty van in morning) supply is TT from meter into 4 pole RCD is it 300mA ? this is supplying via two fused switch in swa two separate fuse boards one single phase one three phase Question all socket outlets on 30mA but...
  10. T

    RCD's for PC's in commercial building

    Hi, Confusion over weather or not the floor boxes for PC use require RCD's. I am an on site spark but the recent 5 yearly pointed out that ALL circuits now need to be on RCD. Lights because they embedded in wall (less than 50mm) floor boxes because they are for general users and on sockets...
  11. R

    B type rcd's do you fit them ?

    I haven't come across many type b rcd's are they widely used yet ? Getting a new megger 1720 or 1730 the more expensive one (1730) States it tests them but the other does not Is it worth the extra cash ? I know the 1730 has Bluetooth and the earth electrode kit but I won't use them so it would...
  12. nightlight14

    Use of RCD's

    Importance is now placed on the use of RCD's. both permanently fitted in consumer units or portable plug in types. Many of the appliances used in a domestic situation are type II, double insulated. Does the RCD provide and further protection than the double insulation affords, if so in what...
  13. F

    nominal current rating of main switch

    hi guys if installing a shower consumer unit with a 63amp rcd main switch and a 100 amp OPD PRIMARY SUPPLY then main switch is of a lesser value than the main over current protective device how do we get around this.
  14. HappyHippyDad

    Stand alone RCD's

    Could anyone give me a link to where I can buy a stand alone RCD? I have looked and looked and just find a lot of threads on the subject but cannot find anywhere that sells them. I could just fit an enclosure/din rail but I'd just like to see these stand alone RCD's and make a choice.. In this...
  15. R

    henley blocks and rcd's

    not working in the domestic sector i need help with 2 questions. firstly is it still allowed to cut into the tails between the meter and board and place a henley block in line so that i can feed a summer house as getting from the house is not an option due to doing to much damage to finished...
  16. B

    DONT RELY ON RCD's PLEEEEESE.

    We seem to have a lot of young sparkies following the trend that RCD's are some kind of wonder device. To explain, An elderly lady has just come out of a 3 day stay in hospital. Why ?? Because a young electrician had installed a dual RCD board to there property and explained how it protected...
  17. driverman

    VIGI RCD's MCCB'S

    Hi Guys, Just wondered if anyone knew what the word "vigi" stands for? I'm assuming it does, like the electrical trade uses other abbreviations.
  18. M

    Metalclad DB, Single Phase with 12 useable ways - No RCD's required

    I'm trying to source a suitable metalclad DB with a metal door/flap, and with an IP rating as high as is available off the shelf. This to be located in a Chinese takeaway that has a high pollution of the atmosphere, caused by cooking oil/fat. It may be necessary to fit a standard metalclad DB...
  19. D

    Rcd

    I have a strange fault. I have a split board. 2 rcd's. One keeps tripping but other is fine. I swapped them both and the same happened with the RCD I put in the place of the first one. Rcd's seem to be fine but when installed in that position they trip but are fine when in the other side...
  20. A

    Clipsal RCBO's RCD's new match up to wylex , Crabtree and more

    Hi I have a various amount of brand new clipsal RCBO's and a couple RCD's they match up to wylex,Crabtree and maybe more bargain price of £10.99 - £12 inc free postage here is the eBay number 271245931996 (check other items for sale) I have B6 B16 B32 on the RCBO's and 40a and 80a on the RCD's...

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