input

  1. 2

    Welder - what sort of amp input it will need at 240v

    I recently bought a welder (picture attached) I was wondering what sort of amp input it will need at 240v
  2. J

    Input water temperature for electric shower

    I have a solar pv system that has an Iboost fitted to send excess generation to my hot water tank. Combined with my solid fuel back boilers we almost always have hot water. I also have a cold mains fed 11kW shower - not a power shower. I would like to feed the shower with luke warm water via a...
  3. J

    Strange design of Induction Hob power input, advice please

    Hi, hope everyone is enjoying Easter! I have boon looking for an induction hob recently and found one on ebay for £25 and close by so I bought it, yay!. It was purchased as defective, its a 5 sone hob and the two left zones did not power up. A bit of research before purchase shows there were...
    • jaytee
    • Thread
    • advice design hob induction induction hob input please power strange
    • Replies: 23
    • Forum: UK Electrical Forum
  4. K

    Led Batten choice - help needed with voltage input

    I'm looking at putting in new lighting in my garage but some of the led battens i've looked at have a fixed power voltage supply such as this 240v (https://www.screwfix.com/p/led-batten-45w-4000lm-5ft/5440r) and some have variable ones such as this 220-265v (LED Batten Linear Tube Light Ceiling...
  5. M

    Input from electricians needed

    hi all i am looking for help in regards to a research project, I need to do for a uni dissertation, it’s about quality and electrical safety, I would be greatful if you would take a few minutes of your time to complete it, no personal details are required,you may need to sign into google if your...
  6. S

    Storage Heaters input timer

    Hi Any Storage heater experts out there? I have been asked to identify suitable storage heaters for a single metered supply but with night discount. I've identified two possibles; Elnur HHR & Dimplex Quantum. Interested to know your opinions and help me out with a related question; Elnur gives...
  7. C

    Solar inverter showing low dc input ( with pictures ) help please

    hi everyone, hopefully you can help. I have a 4kw solar panel system and just noticed a drop in how many kw it’s producing. I checked the inverter ( fronius primo ) and the lcd is showing low dc input on string 1. Any ideas of what the problem could be ? Even if I could narrow it down to what...
    • Cs111
    • Thread
    • help please input inverter pictures please showing solar
    • Replies: 11
    • Forum: UK Electrical Forum
  8. D

    UPS - input rating vs output load

    with a single UPS rated at 8KVA, 230v, stating maximum input current of 44A, would the over current device, cable size etc be based on the 8KVA installed load (the UPS), or, the actual load of 8A, connected to the output of the UPS ? this is a fixed installation, supplying computer based loads...
  9. S

    Solis 0.7kW mini - minimum wattage input?

    We have a few small PV installs to do. The developer needs 0.5kW/ two panels on each roof. To keep it simple we are looking at putting in 0.7kW Solis mini inverters. They have a low start up voltage of 60v. 0.5kW is too low for this inverter according to Segens designer but 2x 275w and 2x300w...
  10. G

    MCS steering group meeting on Fire issues at BRE Tue 12th Sept - installer input needed please

    Hi all, Next Tuesday 1-3pm at BRE Watford the MCS technical steering group will be meeting to discuss the implications and potential changes to the guidance stemming from BRE's solar PV fire risk report. The last meeting didn't have any actual working solar pv installers attending*. Without...
  11. 8

    Minor works, fixed dwelling with commando input.

    Hi gents, I'm working on a container thats is ply lined and has lighting and power inside all run in plastic 20mm surface conduit. Protective device is a garage 2-way consumer unit with 30ma rcd main switch (already installed on arrival). The container is in middle of a field on a mod site -...
  12. uksparks

    Pyronix alarm triggers

    Hi, I have and regularly install Castle Enforcer alarms by Pyronix. i have a question and hoping someone may know. how can I trigger an input from a third party device, so for example how can I close a relay on another device or put a 12v feed in to an input on my alarm? i want to be able to...
  13. S

    Volumetric doser controller without opto-isolator on dry contact input

    Bipolar stepper motor H-bridge MOSFET output transistor burned out together with 100nF ceramic capacitor (in parallel between earth and +24V rail) and resettable PPTC fuse after someone decided to apply 110 AC voltage on dry contact input terminals. They said everything was working for couple of...
  14. Clark3169

    NICEIC Certification Scheme Max ZS allowed on NICEIC cert seems wrong?

    Hi guys. I've recently moved from NAPIT to NICEIC I've just issued a cert. Now the circuit details are as follows. Lighting, 6amp RCBO Ze - 0.18 R1&R2 - 0.64 ZS - 0.82 Now by my understanding the max allowed ZS is 6.14 for the type of RCBO so I'm well within the allowed but on the generated...
  15. A

    Smoke detection and poisitive input ventilation

    PIV (positive input ventilation) unit sited in attic space and ducted through ceiling in hallway. Smoke alarm sited within ceiling area. I am aware of manufactures instructions for distances for the unit being installed with their standard grill, however if you were to install such a unit with a...
  16. M

    trying to connect a positive input ventilation unit Help Required

    I have a PIV unit which comes with a power cable connected with 2 wires N and L. is it possible to connect the cable to a plug with a 1 Amp fuse or would this blow the unit. The electrical details of the unit are;- Voltage : 240v Iph 50Hz Consumption : 1.6W (min) 15.3W (max) Fuse size : 1 Amp...
    • monkey2014
    • Thread
    • connect input positive required trying unit
    • Replies: 1
    • Forum: The Welcome Forum
  17. J

    Trying to convert 28VAC input to 120/240VAC or 9/36VDC....

    I have a query from a customer who is looking to buy a 5W product from me which runs on 120/240VAC or 9/36VDC. The problem is, they are in an isolated location where they only have a 28VAC power supply. I have looked around the web and cannot find any obvious solutions, does anyone know of any...
    • James9782
    • Thread
    • bridge convert input transformer trying
    • Replies: 16
    • Forum: UK Electrical Forum
  18. truckster

    Led drivers brain fart

    Am I having a brain fart?? I fitted 4no. two gang sockets fed from a 5A fuse in a shop for display lighting. The shop fitters arrived some time later and fitted a bunch of LED lights. Each driver states input as 1.2 amps and there are sixteen of them?? However each driver is only supplying...
  19. Resu

    Duplicate Easycert EICRs

    Hi all, was wondering if anyone could tell me if it's possible to duplicate an entire EICR on the app. We have a scheme of 20 houses to do all exactly the same electrically and this would save a bit of time (worth mentioning we obviously won't be using the same values for each property, it's...
  20. P

    Mystery input to CU

    I looked at a small semi yesterday and there was some very dodgy wiring.The pictures explain it better but before the electrician comes later, i'm curious as to what someone has done.Have they tapped off next door? (Sorry about the text on pics, it was written so the landlord would understand!)
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