Encylopedically about electric cables
Building wiring is the electrical wiring and associated devices such as switches, meters and light fittings used in buildings or other structures. Electrical wiring uses insulated conductors.
Wires and cables are rated by the circuit voltage, temperature and environmental conditions (moisture, sunlight, oil, chemicals) in which they can be used, and their maximum current. Wiring safety codes vary by country, and the International Electrotechnical Commission (IEC) is attempting to standardise wiring amongst member countries. Colour codes are used to distinguish line, neutral and earth (ground) wires.
Wikipedia about responsibilities of electricians
The master electrician supervises and is responsible for all other electricians working on any construction or installation project. Only the master electrician can pull the permits with the electrical authority, and they can only be registered with one electrical contracting company at any one time. Other electrical duties performed by any electrician include:
Inventory and repair and maintenance of all lighting fixtures, cables, effects, power distribution, dimmers, networking and lighting control consoles.
Organization and purchasing of all consumables including color gel, gobos, Sharpies, and gaffer tape.
Planning and implementing of the cabling (circuiting) of lights and electric power distribution.
Documenting and tracking of all circuiting, addressing, and system configuration in cooperation with the Lighting Designer.
Patching assignments of the control console based on the paperwork generated by the lighting designer and the planned circuiting.
Occupational safety and health of workers and operational decisions as the head of the electrics department.
Using electrical services
Electrical services enjoy unflagging popularity properly since arisen. Many people prefer to pay relatively little money for even simple electrician services, such as replacing light bulbs and electrical installation nietrudnych than yourself to start playing with shock, which may prove undoubtedly dangerous. The use of electrical services is also popular for the modernization of the electrical and other more complex services, as to carry out such orders, especially in the case of larger objects, very often you need to have the appropriate permissions, you can have only trained electrician.