As used in this chapter, the following words, terms and phrases shall have the meanings herein ascribed to them:
A person having four years' experience, doing any work of installing wires, conduits, apparatus or fixtures for carrying or using electricity for light, heat or power purposes for hire.
A person having a regular place of business and who, by the employment of journeymen, performs the work of installing wires, conduits, apparatus, fixtures and other appliances for carrying or using electricity for light, heat or power purposes who, being an electrician himself, may perform such work.