Any good sites for trainees

[PLW]

I had a folder of some really useful sites to help understand all the complicated aspects of domestic electrical installation, but appear to have lost them all. Was wondering if any of you can recommend some helpful sites you use when you're struggling

 

[Squid]

This one?

 

[DeanoRN]

swindon massive is alright

 

[Loki]

John ward on youtube is also another one