low voltage

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  1. S

    High and Low Voltage Wiring

    Hello, I recently had my flat rewired and requested that all wires be chased into the walls. Because my walls are made of a very hard brick and to save on mess and noise, some of the power cables for plug sockets were run along the bottom surface of the walls, to be hidden by skirting boards...
  2. H

    Low voltage reading on OFF circuit

    On standard residential house wiring (USA). Working on a single circuit with the circuit breaker in OFF position at the wall. When connecting a decent (Klein) multi-meter to black and neutral (white) wires I see a low voltage reading of .4260 (POINT four two six zero) showing on the multi-meter...
  3. M

    6 core flex mains and low voltage

    CP electricians supply a 6 core cable from their lighting control boxes that supplies a mains voltage emergency light,, 2 cores of this are 18v dimmable switching. A led lighting company have provided the led lights and drivers that connects to the 6 core flex however their emergency pack and...
  4. J

    18th Ed. 715.422.107.2 Extra Low Voltage Lighting Question

    Hi Re the above on page 295 of the 18th Ed. regs, it states that for prevention of fire from a short circuit... One of these areas is a device that protects against short circuit should disconnect within 0.3 seconds when a power increase of 60W (2.5A) occurs. I have looked at a few...
  5. M

    Using low voltage lamps and Selv power supplies in domestic livghting

    Hi, I have a ceiling rose which doesn't have an earth wire and I want to connect a light fitting which requires an earth connection. It's not possible to rewire the ceiling rose at the moment so I am considering the possibility of using a low voltage (12 - 85 volt DC) E27 led lamp connected to a...
  6. S

    Stray voltage in Neutral - help

    I have an installation that I maintain and the DNO have recently changed their pole transformer. Since this change I have been unable to do earth loop tests. The supply comes from a HV to LV transformer and there is a HV earth rod right next to the neutral/earth rod for the HV to LV transformer...
  7. V

    Low voltage supply and compensation?

    In a property my daughter is in there are many pairs of 6 foot fluorescent lamps. Often and for a long time they can all flash on and off. This has gone on for years as sometimes there are no problems for months. I've replaced tubes, starters and even ballasts as well as the MCBs in the...
  8. R

    Reduced low voltage?

    3. An a.c. voltage of 90V between conductors is classified as a. extra-low voltage b. low voltage c. safety extra-low voltage d. reduced low voltage Why cant this voltage fall into the category reduced low voltage, defined as a voltage the doesn't exceed 110v (the answer however is low.)
  9. S

    Low voltage with data cables

    Morning I am am looking for some guidance from the experts. My business is building control systems etc. I am installing a system in a small office complex to control the radiators, each radiator is fitted with a 24 V operated actuator (6W) to turn the radiator on and off. These are switched...
  10. J

    Stapling low voltage cables

    Witnessed today a security company staple all his Cat 6 cables, coax and alarm cables on a 1st fix new build with un-insulated clips, exactly like virgin media etc install there coax on your skirting board. Surely this is wrong or just bad practice? Asked him why and he just said there’s...
  11. M

    Low voltage Leds for serial loop.

    Hi folks. I'm guessing this forum is for larger electrical applications than this, and if anyone can point me to a more relevant site please do. But I thought I'd give you guys a punt. I have a need to put 5 leds in a 1:10 remote controlled vehicle. There isn't room (without it looking...
  12. rolyberkin

    Low Voltage Garden Spike Lights

    Anyone used any that they can recommend, as always client doesn't want to break the bank so mid range would be good.
  13. R

    Dimming low voltage lights?

    Hi, I have two of these under cabinet lighting kits: I want to change out the on/off switch with one of these dimmers : Safe to do so? output is only 12 volts. cheers.
  14. R

    Low voltage lighting

    Hi, looking for an answer which is probably obvious most of you, I've been ask to put in spotlights and a mirror with lights/shaving socket for a bathroom fitter as his usual spark on holiday. I myself am in a Part P scheme, but me and my brothers are property developers and I only do our own...
  15. R

    AC mains and low voltage DC in same cable?

    Is it acceptable to use a spare core in a 4 core armoured cable to carry 12volts DC when other cores in the same cable are carrying AC mains?
    • rod
    • Thread
    • cable low voltage mains voltage
    • Replies: 36
    • Forum: UK Electrical Forum
  16. H

    Low voltage halogen stops working but bulb not blown

    Hi, I've got 8x 50w 12v halogen lights each with individual transformers in the bathroom. Two of the lights occasionally stop working. If you pull out the bulb and re-seat it, they start working again. The bulbs are fine. Only they stop working again in a few days and you have to do the same...
    • Hugh
    • Thread
    • blown bulb halogen low voltage voltage working
    • Replies: 2
    • Forum: Lighting Forum
  17. G

    Just an idea for making a waterproof low voltage inline joint

    You know how your tube of silicon sealer has gone solid just when you most need it!? Do you think that one could use this problem to make a permanent water tight joint, eg using twisted conductors secured in the usual connectors and placed in a suitable small plastic tubelike container and then...
    • greeny
    • Thread
    • inline joint low voltage making voltage waterproof
    • Replies: 13
    • Forum: UK Electrical Forum
  18. S

    Please help me regarding these topics.

    I have an assignment on Saturday. There are somethings that I do not understand. So Please help me to figure them out. 1)What is the exact value as mentioned by regulations for High Voltage and Low Voltage? 2)If an insulation is good three people should sign to verify. What are those people...
  19. D

    Converting Low Voltage Downlights to Mains Voltage

    I didn't know if this should be in here (as after advice) or in the lighting section - apologises if it's in the wrong area. I was looking at the wiring last night in my mates loft, as he's currently got low voltage downlights installed, but he's thinking of replacing them for 240v - largely as...
    • Dave78
    • Thread
    • downlights low voltage mains voltage
    • Replies: 11
    • Forum: DIY Electrical Advice
  20. rolyberkin

    Will battery failure or low voltage affect fault codes VW

    I have a 2008 VW Passat Tdi which has been no issues to me during the last six years, of late I have had a few what i believe erroneous fault codes, parking brake issue (The known parking brake issue has already been dealt with) and more recently a DSG fault code. I say they may be erroneous as...

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