Excellent insulation of cables and their arrangement can make the most electrical work will be the installation of such electrical lines, not during their operation.Does this mean that in the future, avoid any electrical failures? The answer to this question is simple and of course negative, because although more and better solutions are continuously implemented many failures simply impossible to predict, even using the most modern electrical installations.
Competency standards in the UK are defined by the Sector Skills council Summit Skills.
Qualifications certificated by awarding organisations such as City and Guilds and EAL are based on these National Occupational Standards.Once qualified and demonstrating the required level of competence an Electrician can register with the JIB (Joint industry Board) for an Electrotechnical Certification Scheme (ECS) card.
Electrical competence is required at Level 3 to practice as an electrician in the UK.
The electrical industry is one of the few that require a trade test to be achieved prior to being fully qualified.
This is known as the AM2.Źródło: https://en.wikipedia.org/wiki/Electrician
A lineman (American English) or linesman (British English), also occasionally called a lineworker, powerline technician (PLT), or a powerline worker, is a tradesman who constructs and maintains electric power transmission and distribution facilities. The term is also used for those who install and maintain telephone, telegraph, cable TV and more recent fiber optic lines. The term refers to those who work in generally outdoor installation and maintenance jobs..
Those who install and maintain electrical wiring inside buildings are electricians.Źródło: https://en.wikipedia.org/wiki/Lineman_%28technician%29