It is a technical representation of electrical system proposed to be installed in building or house, which includes material, devices and equipment.

These are electronic measuring instrument that combines several measurement functions in one unit.

We have the ability to study anytime, anywhere, 24/7.

Identify the plastic or metal material that is used for mounting of convenient outlets and switches on walls.

It is a diagram, showing the location and kind of lighting and switches to be installed in a propose building or house.

Arrange these in reverse alphabetical order.

The system that uses inch, foot and pound as units of measurement refers to English system.