diagram

  1. P

    Commercial Wiring Diagrams

    Can anyone recommend a good reference book for commercial wiring that includes wiring diagrams for emergency lighting? Thanks!
  2. C

    Ladder, circuit and schematic diagrams

    Hi there, Does anyone know where I can find a good guide book for understanding electrical ladder, circuit and schematic diagrams, especially for control circuits? I'm finding a good guide impossible to find. The ones that I have found which have a good sounding title appear to be out of print...
  3. A

    3 Phase Dol starter [help needed on wireing diagram]

    Hi, can anyone help me with any diagrams on how to wire a 3 phase Dol starter with the links put in, with the diagram also showing the incoming supply obvously being the three phases and neutral and where exactly they all get terminated. As the diagrams on google images are not that useful...
  4. C

    Is this diagram possible?

    Hi all Is the below diagram possible? There is an electric source 2 switches and one consumer. If both switches are turned off consumer device wants no power. If one of the switches are on consumer device wants power. Thanks
  5. J

    Security Light Problem

    Hi, I am having issues with a house security light; I have just replaced a movement sensitive one which was staying on all the time with a new one as I thought the sensor had gone but the new one is doing the same, I have replaced following the diagram in the box and can’t understand what could...
  6. richy3333

    Electrical diagrams/schematics software

    Hi. Can anyone suggest suitable software for drawing up electrical installation and distribution schematics? I'm looking for something to show the origin, protective devices the cable runs to other boards, where I can write on the cable sizes, protective devices etc? Any help would be greatly...
  7. 1Justin

    514.9.1 diagrams and documentation when worked on part of install?

    514.9.1 Diagrams and documentation. What is the best thing to do having worked on just part of an installation (domestic?) Example: Say I remove, change and replace a lighting circuit. Then I add 2 new circuits into empty slots in DB. So there are 3 new circuits, one of them taking the place...
  8. A

    Please Help with Wiring Diagram !I was wondering if somebody could help me with a wir

    Hi fellas, I was wondering if somebody could help me with a wiring diagram please, it is an existing system that has had underfloor heating added. The system is: Oil fired fully pumped system ie motorised valve on heating motorised valve on the dhw Addition: Underfloor heating manifold...
  9. S

    S plan wiring diagram

    Hi, I am looking for a S plan wiring diagram, Its for my AM2 test which I am taking in may, but I have never touched central heating systems, and we don't do any in work so a diagram is the next best thing this is the only thing worrying my about my AM2, cheers.
  10. P

    Circuit diagram symbols.

    Hi im doing my level 2 (2330) practical assessment in a few weeks and i am required to draw a circuit diagram containing a CU, ring main and a lighting circuit. Im struggling to find any examples of circuit diagrams that contain circuit breaker symbols. Does anyone know any websites where i can...
  11. B

    SMA 4000TL Inverter - Multifunction Relay

    I intend to use the Multifunction Relay in my SMA 4000TLinverter to control an Immersion Heater control circuit, but obviously not wishingto do any harm and shorten the MF relay contact life, I contacted SMA to checkthe MF relay contact rating. SMA have confirmed as 240volts at 1amp max. Hope...
  12. V

    Electrical Diagrams

    And the importance of being able to read them. This is a subject that really concerns me with the apprentices where I work and the management staff. They appear to put no emphasis on what is IMO a fundamental part of electrical control,they seem to prefer getting these lads to either ask...
  13. G

    Domestic wiring diagrams

    Hi all im a trainee spark! can anyone recommend a book/website that shows decent domestic wiring/circuit diagrams? many thanks
  14. W

    wiring diagram for dual fuel system

    Can anyone direct me to wiring diagrams for dual fuel heating system. Oil boiler and a fire with back boiler, both running heating and hot water. I haven't seen the job but I understand that it has a 2 lots of controls (clocks, valves etc). Not sure what the problem(s) are, just that it's not...
  15. R

    Showing cable drops on building diagram.

    I am doing my D&V course and need a way to show where cables drop from the ceiling down to plug sockets etc. It is a standard 2D overhead diagram show the different rooms etc. Thanks :)
  16. K

    wiring diagram for start/stop ?

    What is this cable for?? how does the circuit operate? when the start button is operated does it stay closed or does return to N/O status after use?
  17. P

    electrical diagram symbols

    im pricing a job off a drawing the client has drawn the symbols him self,but there are some symbols ive not seen before. i do not want to ring him to ask what they are, it might look bad on me, it may be me not keeping up with modern instalation and products. can any one tell me where i can get...
  18. D

    Wiring diagram (switch wire)

    In a 2 way circuit what colour is the switch wire Blue with brown tape or brown
  19. U

    How To Connect ATS (Automatic Transfer Switch)

    Hi, I need to know How To connect 3 Phase Power supply + automatic transfer switch + Generator please give me a Complete diagram . Thanks In Advance.
  20. W

    boiler diagram

    have another problem for you guys. i am looking for a wiring diagram for a boiler which gas a pipe stat fitted to it so the pump continues to pump away heat that is stored in the boiler after the time clock is off. this boiler also has a frost stat fitted. i wired one off them a few months ago...

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