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  1. N

    Delay joining Stroma

    Anyone else had a delay joining Stroma. 5 weeks since my assessment ( passed) and nothing back from Stroma. On contacting them I get fobbed off with “ there is a backlog “ story.
  2. S

    Headlights on Smartcar delay in switching on

    I recently purchased an old 2003 Smart Car as a 2nd run around car. I've noticed recently that some times when I turn the head lights to dipped or main beam there might be a long delay before they actually switch on. Some days it is instant and others I have this problem. Also the dash back...
  3. TheGronk

    Time clock recommendations

    can anyone recommend a digital time clock, either din rail or surface mounted with count down the on-off with some kind of start button function instead of having time frames in which it’s on or off Many thanks
  4. B

    Time Delay RCD For A commercial premises

    I have changed a new fuse board in a Shop with about 4 Fridges and i have got a problem with the RCD keep tripping and I put 100ma time delay RCD instead of the 30ma and the RCD Tripped few times and then stopped tripping all the test was passed but I don't know if this comply with the regs or...
  5. N

    EATON MCCB Trip Parameters

    I am to replace an old MCCB with a new Eaton one, the circuit feeds a few boards and the current rating for the circuit is 160A. What I'm trying to understand is the 4 trip parameters that you select yourself on the breaker. These are: IR - Continuous current setting (A) tR - Number of...
  6. rustynails

    NICEIC Online Certification Rated Time Delay

    Could someone who uses this software tell me what the Rated Time Delay box is for when filling out the Main switch/ Switch-Fuse/ Circuit-breaker/ RCD section of an EIC? Is it for the recommend range in which a time delayed rcd should trip 130 - 500ms... or is it something else?
  7. S

    Domestic Time delay RCD

    Hi People, Carrying out a EIC on a recent cu replacement on a TT system. 100 amp 100MA time delay RCD used up front but cert is asking for time delay in MS- how do i find this out? Thanks Adam
  8. Pete999


    I should know the answer but I don't and have tried google etc so that's out of the way for starters. Reading a post about sockets used for IT equipment and the possible problems caused by RCD tripping due to start up earth leakage, led to think about protecting the circuit with RCBOs with a...
  9. B

    Domestic Delayed Action Off-Switch (Lighting)

    I have been asked to install a time-delay switch for the car park lighting at our village hall. At present there is a single (2-pole) switch inside the building which controls the outside (bollard lights). However, when closing up the building on dark nights, once the bollard lights have been...
  10. M

    Earth leakage relay

    Hello, im looking for advice on a dorman smith sensel SRD earth leakage relay. I am doing an EICR on a caravan park, the Earthing system is TT and a sensel SRD relay fitted to load side of 200 amp main switch feeding various pillars. Relays have 4 settings from 30mA to 2000mA with time delay...
  11. S

    recommend pir

    i have to install some PIR on the stair case of block of flat..there its very dark and i dont know who its the best PIR for fare away pick up signals..any recommendation please..
  12. L

    Domestic Delay start timer extractor on ceiling mounted PIR

    Need to provide customer with delay start, timer run on extractor fan which is operated by a ceiling mounted PIR, has anyone carried this out who is aware of anything I should look out for of apart from the obvious doubling up of timers... Thanks
  13. B

    Do time delayed rcbo's exist?

    Anyone know where I can get them? cheers
  14. M

    will this wiring set up work?

    I have the rad fan of my car set up so it can be switched on if in traffic-jam and the coolant temp starts rising on the rad, the wire I can cut in to (easy option) is a negative feed and where I have the on/off switch there is a posative feed so I use a relay to swap the posative trigger in...
  15. S

    Fluorescent fault overcurrent trip?

    4ft old style starter/ballast type fitting which when powered does nothing at all (not a flicker) but trips the 6A/30mA RCBO after maybe 3-5 secs. I didnt have my clamp meter with me when i went to see the fault but assume due to the time delay that its the overcurrent part of the RCBO rather...
  16. G

    Rcd time delay wylex 4293 wes 100/4b

    Anybody know if this is a time delay rcd, and what delay? Can't get to see any information on it. Do have a pic but struggling to upload on phone
  17. B

    Intruder Alarm time delay on armed zones

    Hell all, I have bought and installed a LS400 Intruder Alarm. On testing I have found that when set in the Away Mode, and excluding entry/exit zone/route the following: If the alarm is activated there is a 15 second delay before the internal sounder operates and a further 30 second delay...
  18. S

    Domestic Shower timer

    I've been asked to install 2 electric showers. That's the easy bit. The client has asked me if I can install a timer so they will only run for a maximum 10 minutes. Is this possible? The reason is to stop the kids spending hours in the shower and save on energy.
  19. W

    Farm Installation help

    Hi all Went to look at a job today on a farm , 3 phase board with 75mm supply on a 100 amp 100 ma rcd mainswitch, with a submains out to the house , which is also protected by another 100 ma rcd, problem is every time theirs a trip in the house it trips at the main distribution board also which...
  20. S

    Pneumatic Timer Switches

    Anyone know of a pneumatic timer switch with a 1 hour delay suitable for use with a wall mounted domestic/office heater? Everything I can find has a max of ten minutes or is designed for lighting circuits.
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