voltage

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  1. S

    Voltage imbalance

    Hi Had a customer ask me to look at light switch as they believed it was faulty Checked the voltage 230v live to cpc 140v between live & neutral 25v between neutral and cpc at the light switch incoming cable. All the other lights have just been replaced and are working fine and the...
  2. T

    Bare 50Hz AC 3 Phase Bus bars...what is safe voltage to use

    Hi Hi, We will have isolated three phase bus bars. Fully Mains transformer isolated. (mains input is 240VAC phase to...
  3. K

    Why low voltage (40 Volts) at outlet

    First, I have to apologize for the following really long description. I guess if I draw a diagram, most of the text below will disappear. I will draw diagrams to attach to this topic. I need advise on this situation (40 Volts at outlet). When I plug Xmas light in one outlet near the patio...
    • ktnwin
    • Thread
    • 40 volts low voltage outlet voltage volts
    • Replies: 21
    • Forum: USA
  4. N

    Voltage indicator

    Just wondering why a voltage indicator pen picks up voltage about 30mm away from a FCU but has to almost touch a socket or cable to indicate ? Cheers
  5. S

    Voltage Detector

    Hi I'm having a new front door installed soon and will require to re-fit the doorbell and burglar alarm door contacts. I can isolate the current by use of one circuit breaker switch that does for both the bell and burglar alarm but I wish to ensure no current by use of a voltage detector - just...
  6. E

    Cycling Voltage on light fixture

    I have a fan light fixture which I wired more than a year ago. It has three dimmable LED light bulbs on the bottom which recently started exhibiting strange behavior. Last week the lights started dimming and brightening on a regular cycle, roughly every 5 seconds. The lights will start our...
  7. S

    Not getting correct voltage at outlets

    Hello, new poster here, hopefully I’m doing it right. I have several outlets in my kitchen that aren’t working. They all have the same symptoms. I have the proper 125 volts From the hot wire to ground, but I’m only getting 109 volts from the hot wire to neutral. They are on the same circuit as...
  8. T

    Converting low voltage halogen spotlights to 240v LED

    Hi I have two lighting circuits of 5 x low voltage halogen with individual transformers for each lamp.. to try out the new 240volt GU10 LED's.. obviously after turning power off at the consumer unit .. I cut out the transformer on one of the lights and connected the new lampholder to the 240v...
  9. EricMark

    Charging batteries and battery voltage?

    OK I was an auto electrician back in the 70's and 80's so under stand a lot about batteries, however at that time the sealed for life battery was rather new, and you may have had a VRLA in a fire alarm, but not in a vehicle, the AGM battery was unheard of. So did have stage battery chargers for...
  10. G

    Recommend dimmable constant voltage driver for a LED strip

    Hi, can anyone recommend a dimmable constant voltage driver for a LED strip and any suppliers? Many thanks
  11. H

    drop battery voltage

    Hi folks, I need to drop a 12 volt battery down to 2.2 volts. The load will be 20 - 25 amps not sure yet but it will be consistent. I've been reading about using a series voltage dropping resistor and I am out for easy, I don't mind power spill as it's a one off test scenario (single cell...
  12. S

    Low voltage dimmer switch ... i think

    Hi, im hoping someone could help me as ive never come across a dimmer switch like this, its a bit before my time. Ive upgraded some lights for a client in a bowling halls lounge, there is 230v supplying the luminaires and im fairly sure that they have used a low voltage dimmer switch. My client...
  13. R

    Recommendations for a Voltage Indicator and Proving Unit

    I’m looking to save for a Safe Isolation Kit, we done the Safe Isolation procedure in College using a Martindale Kit. But would anyone have any recommendations for a kit to buy? The Martindale was good but I’ve seen a few other manufacturers that seem to offer more features but are they worth it?
  14. J

    Looking for recommended voltage tester with phase rotation test on it

    Hi Am looking for the above, with bag and tester confirmation box. Any recommendations please as there are a lot to choose from. Thank you. John
  15. B

    Convert Garden Lighting from 220/240v to low voltage

    We have garden lights fed from a standard consumer unit via SWA cable which we want to convert to low voltage keeping the existing lamp holders but switching to LED lamps. The plan would be to switch out the existing consumer unit to one containing a transformer adequate to drive all the lamps...
  16. B

    Simple question regarding lightbulbs voltage

    Gnight! Tonight i bought a 110V lightbulb accidently and all my sockets are 220V. The lamp in which i want to use it in is 127/220V, but the socket itself is 220V. I also have the option to use the lamp in a bivolt socket strip and then the socket strip in the wall socket. Is any of these...
  17. D

    low voltage to earth

    Hi guys need help to stop me me from having no hair left. Been pulling it out for 2 days. Routine inspection RCD not tripping. But further checks show the voltage I'd too low. Old lead cable supply Ze 0.22 Only getting 1A fault current and voltage 193 volts to earth. Any ideas?
  18. J

    Touch voltage to earth

    Can somebody explain if you had a 230v to earth fault the variables that determine touch voltage of a person to earth and is this voltage less the closer you get to the MET of an installation. Thanks guys
  19. P

    Excessive voltage drop, HELP

    So, I have encountered strange problem. Thing is when I connect load with power about 30w my voltage goes from 227v to 170v it is single phase system. Wires are brand new and thick enough. Is it maybe a problem in power company transformer voltage stabilizer or something else. Im also curious if...
  20. L

    Ireland Should I have voltage to my earth rod?

    Hi, I bought a house which I renovated. I stripped out all wiring, all of it. new fuse board, 2 rcd, which I set as up stairs and down stairs. I’ve a ring for; sockets up, sockets down, kitchen white goods, kitchen sockets, lights up, lights down and a single cable to the boiler, one to the...

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