Wiring diagram help needed

[7029 dave]

That diagram is the most practical way using 3core and earth between all switches and the most common way in domestic.
Admit it does not give the whole circuit diagram, just the actual wiring between all switches with 3 core and earth, I am only trying to help the OP with his question too.

 

[nicebutdim]

One thing I'll add for the OP's benefit is that understanding how something is wired from a diagram and understanding why it is wired that way are very different propositions and an issue which has troubled every single electrician at one point in their career - in fact some never grasp the principle and insist there is only one way to wire a two way lighting circuit.

Whether it is a task set as part of learning or a real life situation faced in the course of your work, if you don't understand it draw it out and follow the live path to see how it works (or won't work in some instances). This is probably the quickest way to gain understanding of circuits and one day it will stick without you ever realising.

 

[littlespark]

That’s an old diagram Dave…. Pre harmonisation.

Replace red yellow blue with brown black grey.

 

[7029 dave]

That’s an old diagram Dave…. Pre harmonisation.

Replace red yellow blue with brown black grey.

Lol does that really matter should all be sleeved red as per diagram or brown new colours the principal is the same.

 

[FatAlan]

Look up the great John Ward (JW) on YouTube. Seem to remember that he covers it very well. Some of the old GSH electrical videos are good too.