Electrical contractors complete work related to the design and installation of electric systems. This is different than electricians who are tradesmen. While contracting companies employ electricians to work for them, each one holds his or her own insurance and license.

There are different requirements for insurance and licenses in each state. You can also hire a business electrician in Williamstown for your business electrical services.

The four types of jobs available to people working in electricity are:


They receive classroom instruction and on-the-job training from licensed peers. This includes how to fix, maintain, modify, and repair power and lighting systems. The apprenticeships are paid for the duration of these programs, which can last up to five years.


These trainees are taught to read blueprints and work with cables systems. They also learn how to install and maintain control wiring from drawings. They supervise apprentices and hold a Journeyman’s license.


The cost of a project is calculated based on the expected length of completion. This includes labor, overhead, and costs of materials.

Project Supervisor

They oversee the project from start to finish. These leaders are responsible for creating a safe work environment and ensuring that all tasks are completed on time. They are also responsible for all paperwork.

Contractor classification

These companies are classified according to the type of work they do.

High-voltage power lines run across the country. “Outside” or “line workers are responsible for their maintenance. They ensure that power plants’ energy reaches communities safely.

The “Inside” personnel are responsible for powering structures and are the main service provider for cabling design, installation, and maintenance of residential, commercial, and institutional buildings.