All electrical work shall be done in accordance with any rules and requirements that are specified by the division of professional regulation, or subject to its approval, by the public utilities having authority to supply electricity in the place where the work is done. Any rules made or approved shall be based upon the current adopted edition of the “National Electrical Code” with any changes or additions that are deemed required. Failure of any licensee to do the work in that manner shall be considered grounds for suspension or revocation of the license, in the discretion of the division, after notice and a hearing before the board of examiners of electricians, and upon recommendation to the director of labor and training.