protect

protect

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  1. J

    How to protect inrush current

    Hello How to protect in rush current by ntc in smps
  2. oscarelectrics

    Does a circuit board with an SPD protect against internal surges?

    Hello! I'm struggling to find an answer to this question online. I'm new here btw - I'm a DIYer with a physics degree Currently when my fridge motor turns off, I get a transient voltage spike on other devices plugged into the same circuit (i.e. an internal surge) If I upgraded my circuit...
  3. R

    What does the main fuse protect?

    From another thread: I'm thinking about this and it's got me all confuzzled. Don't fuses protect anything downstream ie my laptop's charger has a fuse that protects the charger cable, the socket has a breaker that protects its wiring, the boards wiring has a main fuse that protects it from...
  4. Shafiq Azmi

    Why MCB and Fuse cant protect Voltage Surge?

    Hi Everyone, I got some Power Module damaged cause by Voltage Surge. My device protected by 25A MCB and Fuse. Why my device still damage although its already have the protection? Any other way to prevent this from happening again?
  5. HappyHippyDad

    Metal blanking plate to protect from wood burner stove?

    My customer is having a wood burner installed. The stove installers have said he needs to get the 2 sockets that are directly behind the new stove position removed. They are approx 9-12" away (guess). It would be a right pain and expensive for the customer to have the cable removed from the...
  6. M

    UK Electrical PLC Control Panel

    We have a Electrical PLC Control Panel that has to supply 45 Fused Spur units, do I need to protect these with an RCD, we have a 10A Type D MCB at the moment. Each Fused spur controls an electronic Volume/Pressure controller which is rated at 130mA.
  7. J

    Nest Protect Smoke Alarm Install Help

    Hello I recently purchased a nest smart smoke alarm. I currently have 2 mains linked smoke alarms (one upstairs and one down). My plan was to replace the existing with the Nest versions. The instructions seemed simple enough but when I have removed my existing alarm downstairs I ran into my...
  8. Dartlec

    How to protect existing 16mm T&E feed to CU when converting to sub main at source

    Currently quoting for a job that needs to be done next week and working out how best to proceed, so thoughts welcome. Current situation: -->PME incomer that has just been moved by UKPN within a porch (brick built permanent type) from one wall to another. -->60A main fuse -->Meter -->Large MK...
  9. Steve93

    How can I protect a fast fix/plasterboard box???

    a customer of ours has requested for us to install 2 sockets into the side of there kitchen cupboards. This will result in the back box being exposed inside of the cupboard. Is there anyway I can protect this with some kind of cover?
  10. J

    UK Protect Fused Spur?

    Hi I’ve got an aluminium flexible duct from a cooker hood extractor which runs right next to a Switched Fuse Spur (3amp fuse) Do you think I need to protect it from the heat generated in the duct? Thanks
  11. Weezy

    RCD protect Forklift? Yes or No?

    The Job: We are going to wire a forklift point in 6mm swa surface wiring inside a warehouse. It’s a 3Phase forklift point 32amp. Wired from a 3phase eton C32 MCB. Will surface clip swa along existing cable tray down to a rotary isolator and 32amp commando outlet. Jobs pretty simple however...
  12. S

    RCD protect conservatory

    Hi, My conservatory has 4 x double sockets and operates from a 13amp switched fused spur. I've just run an outdoor double socket from one of the inside sockets so I can use a fishpond pump. Q: Should I of used a RCD protected outdoor socket or am I ok replying on the internal 13amp fused spur...
  13. L

    Replace Menvier M12 with Nest Protect installation

    Hi, I am currently replacing 1 of 4 Menvier M12 with a Nest Protect and need some expert advice on the (old) wiring. I have a Menvier M12 with the following wiring: Black - 0v (neutral) Red - 12v (live) White/Green - tamper zone Blue - zone (interconnect) Yellow - fire As per the Nest Protect...
  14. spud1

    To Surge protect or not Surge protect that is the Question!

    Hi, A wholesaler tried to tell me that Surge protection is now a requirement in DBs under 18th Regs today. Im pretty sure thats rubbish but just wanted to put it out there. I know alots been added on SP in the new Regs but Im pretty sure its still only risk assessment driven and not a...
  15. mikeup

    When does taking a fuse out protect you..?

    Old house / wiring / fusebox plus single circuit breaker. So I decide to change dead double socket in kitchen ( one socket failed followed by its twin months later= no power ( yesterday ) ) NB. once it stopped working the switches on the socket were found to be stuck ( in the "on" position)...
  16. Soulsurfer

    Nest protect ?

    Anybody used / using nest protect alarms ? Presently working on a house extension and need to fit smoke alarms and according to planning dept need to link to new alarms in living area downstairs and to landing on first floor also which would be difficult to get link cables to ! I thought smoke...
  17. G

    Downgrading MCB to protect cable but has fixed load greater than IZ

    Hi Guys I know showers have been extensively covered on here, but this this is a slightly different question. went to a job to replace 45amp shower switch, I noticed cable was damaged by heat, first thought maybe loose connection, so I started investigating, I noticed a 9.5kw shower on 6.00mm...
  18. N

    Safety Glasses

    can any of you recommend safety glasses which don't fog up after seconds of putting them on?
  19. M

    Enclosure For Rcd To Protect A Tt System, Have I Got This Right?

    Having a hard time figuring this one out, think I've got it but I figure best check with you guys! On a TT system, metal CU so needs to be protected by a time-delayed RCD in the tails (to allow smaller Amp RCDs on sections of the board to trip first), and this time-delayed RCD should be in it's...
  20. oracle

    Trade Clubs Or Valuable Associates

    If I have a JIB gold card, why do I need to join NICEIC, ECA, NAPIT etc? As I understand things NIC protect your customers, ECA protect you, NAPIT are a collection of Domestic Installers, Electricians and even Professional Inspectors and Testers, having moved on but not sticking to what it...

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