The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States.
It is part of the National Fire Codes series published by the National Fire Protection Association (NFPA), a private trade association.
In some cases, the NEC is amended, altered and may even be rejected in lieu of regional regulations as voted on by local governing bodies. The "authority having jurisdiction" inspects for compliance with these minimum standards.Źródło: https://en.wikipedia.org/wiki/National_Electrical_Code
Very often help electrician is needed to properly design the electrical network in the proposed facility.Also during the construction electrician with his team in control of the electrical installation of the network, because only authorized persons may perform such work.
Therefore, this electrician is responsible for the oversight of electricity on site and very often his help is invaluable, because it allows the reception of installations, without which the building does not meet the required functions.
As you know, a major failure associated with electricity in the car can lead to significant deficiencies and prevent the smooth functioning of the car.
Therefore, many people use the services of electricians employed in garages.