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  1. G

    480 volt water heaters

    Sometimes its impossible explaining why the US uses larger wire sizes lol: http://www.electriciantalk.com/f17/water-heaters-158322/index3/#post2868593
  2. G

    12 volt timer

    Hi, I've just bought a small 12 volt digital timer to use as part of a lighting set up for some hen cabins. This particular one is a 16 amp YNAP model YP109A, there are lots for sale on the internet but most appear to be model CN101A which appears to be identical but only 10 amps I think. The...
  3. Flanders

    110 volt 16 amp sockets on a 32 amp ring

    When caring out an EICR on a site I found that the 110 volt socket outlets were connected as three 2.5mm ring final circuits each protected by a 32 amp MCB (single Pole) in a DB fed from 110 volt transformer ,These sockets are used to supply halogen Flood lights that area plugged in when...
  4. S

    Stalled motor and volt free contacts on VFD.

    The motor has stalled (trip name StLL) after someone tightened/overtightened screws on flange mounted gearbox. Volt free contacts on Parker SDD 650 frame 1 were still closed (assigned to close only when motor is running). They should open cause they are in series with the contactor coil of...
  5. C

    120volt plug from 240 volt wire

    i HAVE 240 volt wire feeding a submers water pump going down long hill.at bottom of hill is a junction box with 4 wire for pump on a dryer plug.rest of 4 wire feed plugs into it.for pump.i want to hook a 120 volt plug in at this point using the existing 240 volt 4 wire with 2 hots.can i do this...
  6. T

    240 volt outside light measuring 180 volts.

    Hi all. Looking for advice here. The mother in law had her house extended and totally rewired by someone that said to her he was a qualified sparks. I've been up the loft and found crimped wires and not even clipped down and a whole host of lovely terminal block connections. One set of these has...
  7. N

    Volt free vokera gas boiler

    Just wondering can anybody help me. The boiler I'm working with is a vokera verve combi boiler. the house has a three zone programmer so hot water, first floor rads and second floor rads each controlled by a 2 port motorised valve.. the basement of the house has underfloor heating.. there is a...
  8. D

    Inverter / welder / 12volt 230 volt mobile mechanic van

    Hi I'm new to this forum and only posting because I'm stuck and cannot answer it myself I have a 2001 transit jumbo mobile workshop. I have recently bought a new welder and was trying to get it all rigged up I have a twin battery set up one for van starting and the other for aux in the...
  9. Tiny Spark

    Fluke Volt Detection Pen

    Just picked one of these up today and was wondering if anyone else has one to compare mine to. Fluke 1AC-II Voltage Detector Pen | Voltage Testers | Screwfix.com Reason I ask is mine seems to be a little insensitive, Not like most others where it goes off when you are 6 inches away from...
  10. M

    Volt Free Switching

    Can someone offer me some guidance. I am wanting to keep the switching pair on two zone valves aswell as the switching pairs in a time clock volt free. Mainly so that 230V isnt flying around different wiring centres. Is there a way I can have volt free switching to pull a relay of some sort...
  11. D

    single phase 120/240 volt residential voltage problem

    I have a unique problem I have 120 volts to ground coming into panel on each phase and 240 across both. if I run a dedicated line to a outlet plug in a light or battery charger what ver I saw he voltage go to 70-94 volts and even 170 volts if i turn other breakers! what you all think I am stumped
  12. E

    Re: Extra Low volt switching for lighting

    Re: Extra Low volt switching for lighting What regulations are there for extra low voltage controlled 12 Volt lighting. Also are there regs for any type of low volt DC switching from 12 volt battery (solar charged) off-grid LED lighting ? The control unit is home brew with infra red handheld...
  13. M

    230 volt IPX5 100MM FAN

    Can anybody recommend a high quality made extract fan 230 volt with timer for zone 1 of a bathroom . All the ones that I have been shown seem to be:charming: very flimsy. Cheers
  14. P

    problems with 1mm 3 core and earth getting 80 volt on black to neg when switch is off

    even disconnect every circuit from main distribution board and still getting readings checked on another site getting it there to awaiting cable company answer tn-c-s any domestic houses answers please .
  15. R

    megger mft1502/2 reading 1 volt when no voltage applied

    hi, just after some advice regarding a megger 1502 that reads 1v on start up. could this just be a calibration issue (last calibration 11 months ago) or a possible fault. battery good 12.2v. many thanks. j
  16. D

    How much power would a smart phone drain fr a 12 volt 150 amp/h battery when charging

    Hello I wonder if you could help.. here is our problem/ question. How much power would a modern smart phone drain from a 12volt, for example a 150 amp hour battery. From flat phone battery to full phone battery. If we wanted to charge 400+ phones How would we work out how many batteries are...
  17. J

    Megger volt pen

    Whilst rummaging around in a cupboard managed to lose the cap for my volt pen can these be bought as a spare part or anyhing? Its not that old and dont want to fork out another 20 quid
  18. C

    Volt Free Relay

    Hi. I have a problem with an ATAG boiler. ATAG can supply their own tank sensor to accompany their boiler or alternatively you can use a volt free contact. The electrician who originally installed the boiler has correctly installed a 240v 8 pin relay of which the coil is energised via programmer...
  19. P

    24 volt DC Negative fusing

    Hi all 1st post I need advice on 24volt dc fusing. Are there any regulations on fusing the negative out puts on a 24v lighting system.We Have fused the positive out puts. any help and would be appreciated.
  20. A

    low ac volt reading.

    After installing a garage unit i carried out a voltage test at the furthest point of the installation. i got a reading of 112.5 v L-N. I checked it L-E and got 242v. I ended up back at the rcd and measured the live side and got 242v. When i checked the load side i got 112.5 v. I disconnected...

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