If my son burst out laughing at a teacher, it would not be the teacher apologising. Do you never make a mistake? If you did, would you be happy being laughed at? It's called respect.
You have an electrician who has carried out the first fix (fitting the back box and running the cable). When he comes back he carries out the second fix (attaching the faceplate) and then tests to ensure it safe for you to use. Wait until he finishes the job.
Look at the switch and load on the quickwire website This is a 4 terminals jb.
This is the link to the page. https://www.quickwire.co.uk/product/switch-load-16a/
Hope it helps.
this may help.
https://www.google.com/url?q=https://www.beama.org.uk/static/c3939aab-9b55-44e0-8b379d55d5fa305b/BEAMA-Technical-Bulletin-Connection-of-Unidirectional-and-Bidirectional-Protective-Devices.pdf&sa=U&ved=2ahUKEwi32Or_wP6FAxXyWEEAHdG8DSgQFnoECAcQAg&usg=AOvVaw2QmmYGgfZ0fERVo_VnlsBx...
BEAMA published a tech update last year and there was an article in wiring matters 99. The term is unidirectional, not omni. The amendment was announced a short while back. Hi-directional means the device works in both directions so is suitable for prosumer units. Unidirectional devices have an...
I would go back to the start of the thread, as it has meandered. 522.6.202 refers to 3 terms which create the zones. The terms are defined in Part 2 as follows:
1. Point - A termination of the fixed wiring intended for the connection of current-using equipment.
2. Accessory - A device...