The term industry generally refers to anything relating to or characterized by industry.
The term industrial refers to something that relates to or is characterized by activities that are related to the processing of raw materials and manufacturing of goods.
The term industrial load is related to the Electrical Power Engineering industry.
Industrial electrical load refers to the electrical power required by different types of equipment and machinery used in industrial processes. Industrial load ranges from small-level industrial loads to heavy industries. It generally comprises heavy machinery loads used for manufacturing and motor loads (induction motors). Most industrial loads are connected around the clock and are operational throughout the day.
Examples of industrial loads include lighting, heating, ventilation, air conditioning, motors, pumps, compressors, mixers, and similar devices that are used in different industries.