Blog Archives Manufacturing makes the world go round. Electrical manufacturing is just one of the many types of manufacturing that affects global competitiveness, technology, and economic growth. There are about 5.6 million commercial buildings in the US, with a total of 87 billion square feet of floor space. Electricity is the primary energy source for lighting, refrigeration, ventilation, AC, and computing. How do you protect your refrigerator, washer, and dryer, or even your air conditioning unit? These expensive appliances are all susceptible to damage. Single protective strips are not enough anymore.