If you are starting to become a commercial electrician, there are some materials you should know about. This video will explain some of it all to you. The more you understand the materials that you are using, the more you will understand what your job is.
Pick the right materials for the right job and you are sure to get a good deal of repeat business.
The 1900 box is a multi-use box. It’s great for hiding junctions. The industrial cover works in tandem with the 1900 box. The mud ring is essential if you want to hide your 1900 box behind sheet rock. A gangable box is good for housing multiple devices. Cable goes into the MC connectors to keep them in place. Conduit fittings come in many different styles. Relays are multi-pull switches for the purpose of convenience on the job. Spring nuts and cone nuts both keep things in place i different ways. Struts are used for building racks.
And this is only scratching the surface! Learn more about all the various materials used by a commercial electrician and how to use them so you can get the job done right.