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volt

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  1. H

    12 volt LED flashing when off.

    LED lamp flashes every 10-15 seconds when switched off. The lamp is in a bathroom in circuit with a timed overrun extract fan. I understand that the cause can be induced voltage, or bleed off from the electronic switch in the fan timer. Is there a simple solution to this?
  2. C

    18 volt solar battery charger

    Hello, hoping for advice on this... We intend to use 18volt Makita power tools high in the Khumbu mountains near Everest. With no mains power on site I’d appreciate any advice on an affordable yet lightweight, portable and efficient set up to recharge batteries. Probably x10 4.00 Ah units per...
  3. T

    Resistance in a Volt meter

    Most meters today I understand are multimeters but I am only interested in the volt meter circuitry. The reason I am asking this is because the volt meter seems to only register voltage across a load and not on a plain conductor such as the neutral circuit. In my limited experience and...
  4. okrobie

    Do hybrid auto inverters have any practical use for 110/220 volt systems?

    I haven't a clue what they are good for but they seem to be cheap at the junk yard (Around $15) so I'm wondering if they can be used with a battery bank as a UPS? Thanks, Jim
  5. S

    Volt meter reading 760volts in 3phase dol starter overloads

    Hi I have been called out to a fault on a grain dryer where the motor interlocks are not disconnecting. Previous conveyors. Upon investigation I have found one starter that does not disconnect the preceding motor but when tripped I am getting 550v to earth from a1 and wait for it 760volts to...
  6. D

    Volt reading across N and cpc

    I'm in a vineyard. There is a 300m buried SWA from the ccu direct to a 2 gang socket. I'm getting 247V across N and L at the ccu.... But at the socket I'm getting 100V across E and N and 147 across L and N. Continuity as a radial tested ok IR All over 500 M Please list possible issues here...
  7. P

    Volt sensing relay calculation

    Hello, pls do no kill me for being this stupid (i am a videographer in nature :), and i need to make an order before my electrician returns from hospital... I want to add leisure batt to my 1987 VW t3 Caravelle along with volt sensing relay and i cant figure out how to calculate the system...
  8. L

    Volt sticks and what is you opinion

    What do you all thick about Volt sticks and there use in the in the electrical industry ?.
  9. R

    Heatmiser UH8 volt free with a 230v switch wire boiler

    I haven't had the chance to install an UH8 before and it looks a cracking piece of kit. However I'm a little unsure on best place to get a Live from, to feed the Volt-free LS, with the LR going to boilers 230 switch. Take the UH8's main live or take the boilers? There's no valves at the moment...
  10. T

    volt free wiring on y plan

    hi, I have ariston boiler with volt free connection ,ta1, this should have been plumbed with 2x 2 port valves as recommended by manufacturer , but plumber has installed 3 port valve so we have to put relays in can anyone put me in right direction with wiring from wiring centre to relays?
  11. LazyTrucker

    12 volt laptop charger query

    Firstly I'm new here so forgive me if this is in the wrong place or a stupid query, I'm no electrician by any stretch. I'm looking at buying a charger to charge my laptop my truck whilst engine is running mostly. I'd rather not go down the inverter route if possible due to employers concerns...
  12. UKMeterman

    Fluke non contact volt meter

    Fluke have brought out a non contact volt meter, looks quite usefull, anyone tried one in the field? T6-1000 | Fluke T6-1000 Handheld Electrometer, 200A ac 1000V ac 1000V dc | Fluke - http://uk.rs-online.com/web/p/digital-multimeters/1462605/
  13. Pete999

    Pete's Videos Anyone want a "volt claw" for CU swaps?

  14. D

    12 volt metal table lamp for sale.

    Hi all. I am planning a metal table lamp. The light will be a 12 volt LED fed from a plug in transformer, so there will not be any 240 volt cable or connection to the table lamp. Do I need to earth the metal of the table lamp?
  15. R

    Using a 12 volt to 24 volt DC converter from a 12 volt accessory socket.

    Hello all. I am looking for some info re a DC to DC converter. I have a part share in a narrowboat and also have sleep apnoea for which I use a CPAP machine while sleeping. In the past it hasn't been a problem as my previous machine was rated 40 watts at 23o volts for which I used a 300 watt...
  16. C

    415/720 volt motor connection

    Hello all, I have been asked to reconnect a motor which has a manual star delta starting knob for clockwise/clockwise operation. The motor is 5.5kw 415 delta/ 720 star 10.3 amp. I'm a bit baffled regarding the 720 star connection for starting as the supply is 415 volts, should I just connect it...
  17. Pete999

    Pete's Videos How many times do you need telling? volt sticks are OK

  18. G

    volt sticks

    Hi folks,i Admin over at the plumbing forum,quick question regarding volt sticks,in this case a Fluke brand,now i fault find boilers so am very conversant with a multi meter ,however i use a volt stick to check boiler cases and pipework,on checking the spec on the fluke they go down to 100v,as...
  19. B

    Permanent 12 volt socket to connect 12 volt devices to.

    I recently purchased what seems to be quite an effective tyre compressor to use on a Motor Caravan with 60/65 lbs pressure. I say, "what seems to be quite effective" because unlike a couple of other tyre compressors it does actually raise the tyre pressures. However, the wires from the...
  20. J

    Can I Get A 127 Volt Step Down Transformer?

    Hi there, Not all that knowledgeable on this kind of thing but I purchased four audio-visual appliances made in 1970. All are identical apart from the voltage requirements. One requires 117 volts - the other 3 units require 127 volts Can I get transformers for such voltages? Also what...

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