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Is education as an electrician is a good choice? The demand for skilled workers who know the electricity is really big.
Missing persons authorized to practice this profession, and someone really well knowledgeable has a very tight work schedule. Education Profile electrician does not enjoy the usual popular, so people who finish this course can count on quick employment. Of course, in this profession you need incredible accuracy and precision and patience and the desire to continue learning, because the people who have just completed their education in this field do not yet have a full picture of the situation and self-repair is not possible and you first have to take internships or practice under an experienced electrician.
Wikipedia about wiring color codes
To enable wires to be easily and safely identified, all common wiring safety codes mandate a colour scheme for the insulation on power conductors.
In a typical electrical code, some colour-coding is mandatory, while some may be optional.
Many local rules and exceptions exist per country, state or region.
Older installations vary in colour codes, and colours may fade with insulation exposure to heat, light and ageing.
As of March 2011, the European Committee for Electrotechnical Standardization (CENELEC) requires the use of green/yellow colour cables as protective conductors, blue as neutral conductors and brown as single-phase conductors.
The United States National Electrical Code requires a green or green/yellow protective conductor, a white or grey neutral, and a black single phase.
The United Kingdom requires the use of wire covered with green insulation, to be marked with a prominent yellow stripe, for safe earthing (grounding) connections.
This growing international standard was adopted for its distinctive appearance, to reduce the likelihood of dangerous confusion of safety earthing (grounding) wires with other electrical functions, especially by persons affected by red-green colour blindness.
In the UK, phases could be identified as being live by using coloured indicator lights: red, yellow and blue.
The new cable colours of brown, black and grey do not lend themselves to coloured indicators. For this reason, three-phase control panels will often use indicator lights of the old colours.Źródło: https://en.wikipedia.org/wiki/Electrical_wiring
What dangers lie in wait for an electrician? Why do many people use the services of electricity while performing even simple repairs or replacement of components of electrical installations? This question can be answered in a very simple way - a lot of people afraid of any contact with the flow, because it can be extremely dangerous not only for health, but also for human life.
Commonly known cases in which the electrician while performing their work was seriously injured and even died as a result of contact with electricity.
On the other hand, many electricians have daily contact with electrical installations retains fewer and fewer safety work and then can easily lead to tragedy..