voltage | Page 6

voltage

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  1. I

    Voltage Fluctuating between 170V and 330V

    Hi, I`ve been to a site today and noticed some units I`ve got have huge voltage drops. Voltage was fluctuating between 170V and 280V and on some units, I`ve had 330V. I went to the DB board: Between live and earth some circuits were showing 217V and other one were showing 270V. Between Neutral...
  2. G

    Honeywell Galaxy G2 low voltage problem

    hello all, I have a Honeywell Galaxy G2-20 burglar installed in my home (about 9 years old). Recently I got a Battery Miss fault showing on the keypad. So I replaced the battery in the main panel with a new one. It was ok for a few days, then the fault re-occured. So I checked the main...
  3. C

    Would a breaker be bad if it reads no voltage at breaker? The 50 amp gfci breaker for my hot tub is not reading voltage

    The 50A gfci for my hot tub is not reading voltage.
  4. R

    Multiple low voltage chargers 1 circuit

    Hi All Thanks for your help in advance. I am working on a project to wire a number of low voltage charging units on one circuit. The power will be supplied will be 20amp mains power through 2.5mm cable, each charger is 42V and I wanted to wire them about 2 foot apart. My question is how do I do...
  5. T

    Grid tied inverter disconnection voltage in UK?

    hi , i have been googling eg "grid tied inverter disconnection voltage in UK" but no luck Does a grid tied inverter disconnect of mains is outside 230V+10% and 230V-6% ? And does it take 4 minutes to reconnect?....ie, it waits for mains to come into range again, and then assures its been in...
  6. T

    Grid voltage at the consumer unit of a house?

    Hello, We have installed equipment at a customer location, (or rather, an external electrical contractor installed it for us). The equipment is internet monitored by us…..and we are noticing that the Grid voltage is regularly falling to 225VAC. Our equipment disables at this low grid voltage...
  7. W

    Voltage is 50, instead of 220

    There are two lights at the entrance to the kitchen. I rarely use them. Recently, I found that one light was off. After two weeks, I have finally decided to fix it. I removed the old bulb, which was labeled 220 V, 50 W. I checked the resistance and found it infinite. Burnt out, I thought. I took...
  8. H

    Quick question about light switch voltage

    I have a light switch that was crackling sometimes when I would turn the light on. Swapped out the switch today, and checked the voltage on it while it was switched off. It started out at 109 volts, and slowly went down until it hit 80 volts, and stayed there. I only have one other thing on this...
  9. newfutile

    Changing IR with voltage

    On a recent EICR i have measured 0.589 MegOhms (@250 volts) on the relatively old lighting circuit (red/black PVC wiring) , i have replaced both outside lights (thinking water ingress as both were damaged). The strange part is at 1000 volts the IR changes over a few seconds to 1.6 Megohms , it...
  10. vhfuguet

    High Voltage at Breaker Box

    my tester reads 146v both hot wires with the neutral measured at the breaker box, but oustside in the meter is 118v, why?
  11. S

    Voltage testing

    There has been a wide research on voltage already but my question is which multimeter can give us more accurate reading for voltage calculations, analog or an average digital multimeter like brymen or amprobe?
  12. K

    Strange voltage and power factor values and installation issues

    Hi, We have installed 2 meters (each meter is a 3 phase meter) for sub-metering in a residential house (1 phase installation per apartment). One of the meters, after correcting installation, works fine now. The other one, in my opinion measures strange voltage values. We had since the begining...
  13. B

    UK What should the voltage be going into a hardwired ring doorbell transformer in the UK?

    Hello Have a ring doorbell which is powered from the mains using the ring branded transformer that came with the unit. Its been working well for about 2 months since it was installed by an electrician and then just failed last week and appears as though no power is reaching it. I used a...
  14. M

    Circuit length and voltage drop

    Hi, I'm currently doing my assignment for 2357 and was just making sure I'm calculating the cable length for the lighting circuits right. As depending which way you do it, it alters the voltage drop a bit. On the drawings I've looped in and out at the switches all the way to the final light...
  15. S

    Voltage readings

    Came across a weird one today… Four single black stranded 12gaTHHN running through 1/2” conduit about 40’ to first outlet box and 70’ to the last, on a branch from main panel. One 20A breaker and one 30A breaker. The homeowner asked to eliminate existing locations and reroute, no problem. I...
  16. K

    24volt voltage drop on a multiple garden LED layout design? Best practice?

    Hi all, This is my first time posting something on this forum. I'm busy putting together a design for some LED lights that are going to be mounted on some columns along a pathway. The supply will run twenty odd metres to an enclosure on the outside of the building that will encase the...
  17. E

    Low voltage over several circuits?

    I extended a bedroom in my basement and had to move a couple outlets from the knocked down wall to the new wall. After, I was sanding down the drywall mud and forgot to completely shut the door of the main panel (which is in the corner of the room). Soon after, I went upstairs and noticed the...
  18. F

    What voltage to use

    My first question, so be nice. I'm very sensitive. We use 230 volts as the go to figure when doing calculations on single phase. However on page 362 of the regs, they squeeze in another voltage to use on the bottom of the page. Namely 218.5 volts (95%). It's when calculating Zs. I can't...
  19. W

    Testing voltage between ignition and solenoid

    I'm trying to test if there's voltage between my ignition and the solenoid. The starter won't crank or click so figured I'd start here but am not sure if I'm doing this correctly. I have a male/female connector from the ignition to the solenoid. I disconnected this, connected a probe to the...
  20. R

    Voltage indicator is saying 690 volts

    Hi guys I know I've got countless thread running but this is a new one for me So the report was no power to the door mag. I found this little box that supplies it and got my tester out The video below shows the reading and the pic shows how high my tester reads I have to use the tester...

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