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What would happen if I terminate on the insulation not the baring copper?

Yes you are correct

Essex 1 Traditional ceiling rose I was talking about and the jb would be for looping on to the next light

the switch is fed from the live from board to junction box to 1 way switch basically if you take the junction box out of the equation it is just a one way switch lighting diagram Noz yes they are the same there both switches what are switching something

Well no a pir needs a switch wire and a permanent feed A 1 way switch just needs a switch wire

A pir needs a permanent feed from your dis board, Permanent feed = to leave the the pir still dectecing you while you are in the room to leave the lights. Also your switch wire, neutral and Earth to the pir, then just your switch wire to your light and your earth and neutral coming from board...

I am not too sure can you please explain

Pir is a sensor for when you walk in the room the, the pir picks you up and the lights come on A light switch is when you flick a switch on and the lights Coke on There is also timers for when you want the lights to come on and also night sensor i.e. Street lights

No this is just for interest as maybe when I buy a house that needs doing up or for a friend that wants a pir stairs instead of switching a stairs

I can reply that I am not a teacher I am an apprentice and don't know how to change that on my status I already thing I know how to wire a stairs: dis board to junction box wire pir to light for 3 different legs Please can you confirm if I am right thanks

How would you wire a three floor stairs with being able to go to each floor ground first second and a light coming on with a pir connected

earth electrode resistance test on a major job,   do electrians test that or would the people who come and fit the earth rods test that?

and would you do any earth fault loop impedance test to test it

I know it would not be a voltage stick.

hi i am about to learn about electrical fault loop impedance and i do not have a clue what impedance means. can someone please explain earth fault loop resistance the low the reading no fault a high reading meaning there is a fault am i correct.

i just want to learn how you would wire up some lights that would light up the stairs by using pir

anyone got any drawing to do with pir lighting diagram any lighting diagram to help me to better understand many thanks

when marking out conduit and fixing it which is the best way would first make the piece of conduit, or mark out your saddles?