black

  1. B

    Seraphim 285w Black Frame

    Hi Guys any one know who has stock of 285w Seraphim black frame? Thanks
  2. S

    coding on commercial

    Hi guys, Just want some advice on codings for an EICR im doing at a factory. 1-they have wired a radial circuit feeding several sockets in singles using blue singles as a live conductor and black as a neutral. 2-they have 3x ring main mains on 32amp RCBOs type C and all zs values are higher...
  3. HappyHippyDad

    TN-S with a BS951 clamp and black tar covering supply cable?

    Afternoon all.. I have just completed an EICR and came across the following : 1. Is the black tarry substance Pitch? The homeowner is unsure how long it has been there, however it is not completely solid and is slightly sticky to touch indicating that it is still getting too hot at times and...
  4. A

    Heat Alarm Wiring

    Hi folks, Just had a rewire done but subsequently had to replace two ceilings which meant an electrician removing my heat alarm from the ceiling. I'm looking to reconnect it now and don't want to waste a day waiting for the electrician to come back out but unsure of the wiring terminations and...
  5. D

    Three Phase Flex - two black cores?

    Hi chaps, Spent today repairing a load of 63A and 125A three phase flexes. When taking the damaged plugs off I was somewhat surprised to find that two of the cores were the same colour... Can anyone explain why I've got two black cores and one brown? I was expecting to find black, brown and...
  6. M

    dimmer Switch Wiring Question 3 dimmers 4 red one black cable

    Hi how should I start :) I've started replaceing switches in my new (old) house and done them all apart from one ;) in my living room there is a triple dimmer switch for 3 separate sets of lights in that room. There is one live wire (tested) and 3 other red wires (im guesing to all 3 sets of...
  7. O

    Its Black Friday....

    WTF??? Does this prove a large percentage of the population are mad? Nearly time for a beer, not a trip to the shops!
  8. U

    Bosch induction hob

    Help with electrical connections please , colours as follows brown,black, blue, white.the hob is pre wired.costumer has no installation manual because of house move and they bought the hob with them.
  9. C

    Lower energy generation from all black panels?

    Afternoon. I have potential customer questioning whether all black panels will perform as well as panels with a white backing on the basis that they will become hotter more quickly affecting energy generation on warm sunny days. I can understand the logic but have never seen hard evidence to...
  10. L

    Please advice 16 or 12 panels to achieve close to 4 kW PV System

    Hi First post, so please be gentle. Am about to take the plunge and have a 4 kW PV system installed on a south south east facing roof. Am seeking advice on which of the 2 following sets of panels would give us the best return: 16 x SolarWorld Mono Black (250w) panels or 12 x Sunpower E20...
  11. R

    PIR Sensor

    Hi All This question should probably be in the DIY section but it appears to be locked and won't allow me to post a new message on there so.... I am trying to get a PIR sensor working in a house I moved into but I cannot find any advice online. This sensor was set up by the previous owner in...
  12. L

    fault finding........

    Zs of 103.00 at the sockets in a third floor flat; (that's been lived in since it's conversion in about 1960 ish) ill go hunting for the source see if i can see the problem...................found the cellar...........ah yes..... AND a recent addition for outside power! the grey / green cable...
  13. D

    For Sale: iGuzzini Metal Halide Downlights Black

    For Sale we have 16x Black metal Halide adjustable Downlights They Take 35 - 70 watt G8.5 metal halide lamps I'm selling the light fittings only but if the control gear and lamps are needed i can provide 1 or both at extra cost. The lights can be sen here on ebay iGUZZINI 35 - 70 Watt...
  14. infinity

    blackest panels

    Have you found a panel blacker than the penlight delta black? How black are the sun power signature blacks? does anyone have a photo of them? or even a data sheet? I can't seem to find the data sheet for them anywhere just for the normal 327W panel. Are there any other completely black panels?
  15. M

    Light switch wiring

    I have a confusing wiring. It's a 70s council house. Hall way has two switches one single , one double. The double and single switch the hallway light, however in both switches there are three wires red yellow blue. This two way switching works fine. The double switch in hallway also...
  16. J

    "Voltage Drop" Please help!

    Hi folks Iknow this topic has been beaten to death on this forum but after reading some of the posts and speaking to some of my co workers I am still a littleconfused, I am aware there is several ways of calculating voltage drop but amstill unsure of when to use the correction factor of 1.2 and...
  17. B

    Help 3phase dishwasher

    Hi guys fitted a commercial dishwasher today extended c/w supply made drainage alterations etc.Being a helpful stupid bloke connected up cables.Didnt know neutral changed from black to blue so have connected up incorrectly none of the breakers tripped am I in the brown stuff or not im a plumber...
  18. S

    What conduit for pond filter flex?

    Hello, I have a pond filter, that has a short (3-4m) run of flex to a junction box, and I want to protect it, but can't decide on the best conduit. The flex will be discreet but not buried, and will run with the hoses from the filter across a flowerbed. (It's at risk of boots & hand trowels...
  19. G

    PC fans and LED

    I have a load of PC fans, some 2 wire(red & black), some 3 wire(red & black & white/blue/yellow). I am testing these out by connecting an LED to the red and black wires then spinning the fan. All the 2 wire fans are lighting the LED but all the 3 wire fans are not. On the 3 wire fans I am not...
  20. D

    9 wires for 3 jobs

    hi very informative site so I'm sure someone will be able to help, I am fitting a ceiling fan with light fitting in bedroom .On removing ceiling rose I find that last tenant has removed the sleeve from the black hot wire ,as there are 3 blacks 1 being neutral as I tested this with electrical...

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