breakers

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  1. A

    Wylex NN CU Breakers NB Type required

    Got a Wylex NN board installed in April 1990, at some point a bigger shower (Bristan Cheer 8.5kW) has been installed leaving the original NB30 Type 2 as a spare with an NB40 breaker being installed to run the larger shower. The NB40 breaker keeps tripping, have established the breaker is the...
    • alb1988
    • Thread
    • breakers required type wylex
    • Replies: 4
    • Forum: UK Electrical Forum
  2. C

    Newbie & Question Regarding (2) 30 & 50 Amp Breakers

    Good Evening Everyone, New member here. I will admit right off, I know next to nothing about electrical systems. I was a Electro/Mechanical Designer for 90% of my career, but to be honest, am scared to death of things I can't see. Anyway, wife and I bought a new home home in Oregon recently, new...
    • CougarXR
    • Thread
    • amp breakers newbie question regarding screwfix
    • Replies: 2
    • Forum: UK Electrical Forum
  3. J

    Needing to add 2 separate 50 amp double pole breakers to my service panel???

    Want to know if I can add two 50 amp breakers to my 100 amp service panel that already has 2 x 15, 8 x 20 amp, 1 x 30dp amp, and 1 x 60dp amp breakers Source URL: Electrical Forum - https://www.electriciansforums.net/forums/electrical-forum.15/
    • Jacob Burns
    • Thread
    • already amp breakers double panel pole screwfix separate service
    • Replies: 2
    • Forum: UK Electrical Forum
  4. R

    Over rated Circuit Breakers

    Can any one advise the regulations concerning Over rated protection devices, I am well aware that a circuit breaker must be adequate for its application, but what are the regulations regarding a circuit breaker that is over rated for the load, I.E. a 10A load with a 32A circuit breaker, what is...
    • Rich63
    • Thread
    • breakers circuit circuit breakers rated
    • Replies: 9
    • Forum: UK Electrical Forum
  5. S

    Help Required please

    Hi Guys I recently came across two single phase supplies down the same four core cable, supplied by two separate breakers is there a reg to back this up?
    • Sam2020
    • Thread
    • breakers cable never phase please recently required separate single phase something supplied supplies
    • Replies: 1
    • Forum: UK Electrical Forum
  6. W

    What type of circuit breakers can I add to my panel?

    Hi everyone - I appreciate your time/opinion on this: I'm lucky enough to have a 200 amp electrical panel with a lot of open spots for new circuits/circuit breakers. I have an unfinished area in the basement that I'm wanting to make into my shop and it currently doesn't have any outlets. I...
    • WEGL08
    • Thread
    • breakers circuit circuit breakers panel screwfix type
    • Replies: 3
    • Forum: UK Electrical Forum
  7. D

    Code regarding main and branch breakers

    I’m looking to add a GFCI breaker to my main panel. I have several open slots and have not reached the circuit capacity of my panel. However, the main breaker is not located at the top of the panel. See picture. Is there any reason (code or otherwise) I can’t locate a circuit breaker above the...
    • doubleAbrew
    • Thread
    • branch breakers code main regarding screwfix
    • Replies: 7
    • Forum: UK Electrical Forum
  8. C

    New breakers or add a sub panel

    Hi all, We currently have a 1980's electrical panel that is full and we are updating our kitchen and of course we need more circuits than there are currently as we have the following outlets, all with new wiring. Fridge - dedicated Microwave - Dedicated Dishwasher - Dedicated Kettle - dedicated...
  9. S

    I know your not suppose to but in a split rcd DB can you change one of the rcd breakers for a normal breaker?

    I know your not suppose to but in a split rcd DB can you change one of the rcd breakers for a normal breaker?
    • sirsparksalot
    • Thread
    • breaker breakers change knowledge normal rcd split
    • Replies: 7
    • Forum: UK Electrical Forum
  10. P

    Very dim light on all lights on all breakers

    I am living in Thailand and just last night at my house, I have a little electricity on all oulets. The result is that if I switch a light on that it lights up around 5 to 10% of normal brightness. It also fluctuates. This happens on any light on any of the circuit breakers. There is one circuit...
  11. R

    Wondering what panel and breakers I can use to replace this old federal pacific?

    Would a Square D Homeline 100 Amp six Spot 12 Circuit Panel work? With six 20amp single pole homeline breakers?
    • Reelectrician
    • Thread
    • breakers old panel replace screwfix wondering
    • Replies: 7
    • Forum: UK Electrical Forum
  12. Ironbones

    DC circuit breakers VS semiconductor fuses high speed.

    Hi all. Just to start off still learning. Could any one help me with this and put me right if I am incorrect. I would like to understand the preference or reason for opting for DC breakers or semiconductor high speed fuses, when been used in low voltage DC circuit. I understand that...
  13. T

    DB location, client access to breakers

    What are your thoughts on letting customers access a fuseboard? I'm working for a company that rents out rooms by the hour for people to play musical instruments and they often trip the power. These are unmanned premises. I've been asked to place a fuseboard in the corridor with RCBOs for the...
  14. Bob Geldoff1234

    Breakers upside down

    Called to a house today to just change some switches and went to the mains to switch off.This is what I was presented with. If you notice all the breakers have been put in upside down. My question is would they still work in a fault condition in that position?
  15. S

    max zs for 1492 and 1489 allen bradley breakers

    Hi we are using allen Bradley 1489 and 1492 range of circuit breakers, and I cant find the max zs values on any of the data sheets, does anyone have a list of them? Many thanks
    • Simon Oldfield
    • Thread
    • allen bradley breakers max
    • Replies: 6
    • Forum: Electrician Forum
  16. telectrix

    crabtree breakers. what fits?

    need 5 MCBs, single phase, but to fit in a 3 phase board. the existing ones are crabtree 6HSO. are the polestar,loadstar or what? they are not starbreaker types. busbar connection is a screw termilal.
  17. MFS Electrical

    Dorman Smith loadmaster breakers

    Replaced an old TP&N Dorman Smith DB the other week there with a nice shiny new one, So being a nosy sod and wondering why old dorman smith breakers don’t ever seem to trip I decided to drill out the rivets and have a peek inside. All I can say is no wonder they never trip:eek: there is no coil...
  18. M

    type fitted breakers

    i see that in the 18th edition there is now a coding for type fitting , i have been coding any mix and match breakers as code 2 , after contacting lots of manufacturers there guidance is always that they have not type tested any other manufacturers products for there boards, as we know many...
  19. H

    LSN circuit breakers

    Today I come across some mcbs in a CU ive never seen, theyre made by LSN, single pole B6, but dont appear to have any BS, EN ect. They have a CE mark, AC 230/400 and have a breaking capacity of 10Ka. Anyone ever seen these, are they cosha ?? Being rated at 230v-400v I dont expect they that old...
    • haptism
    • Thread
    • breakers circuit circuit breakers mcb's
    • Replies: 3
    • Forum: UK Electrical Forum
  20. P

    Circuit Breakers help :-)

    Hi all, new member so please go gentle... I have been in my newbuilt for a while now but this weekend was the first time I tried to fire the angle grinder and subsequently the hoover to do some work. As you would expect, I was using the garage power sockets. However, the circuit breaker kept...

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