I have a run through some of industrys free content and support for electrical apprentices and some of the best books to start out with.   Check it out and hope it helps!  

https://www.the-esp.org.uk/ 

https://www.ecscard.org.uk/card-types/Apprentices-and-Trainees/Apprentice-Electrician 

https://www.jib.org.uk/provider https://www.electricalcareers.co.uk/ 

https://www.instituteforapprenticeships.org/apprenticeship-standards/installation-electrician-and-maintenance-electrician/ 

https://www.eca.co.uk/business-industry-support/education-skills/apprenticeships 

https://www.napit.org.uk/schemes/student_Apprentice.aspx 

https://www.niceic.com/join-us/student-membership