Industrial electrical problems do not always begin with a complete power failure. A facility may first experience a circuit that trips occasionally, machinery that stops without a clear reason, high-bay lights that flicker or a power outlet that becomes unusually warm. These signs can be easy to dismiss when production resumes after equipment is restarted....

Commercial buildings rely on electrical systems for lighting, communications, security, equipment, heating, cooling and everyday business operations. When those systems no longer suit the building or the way it is being used, even a small electrical issue can affect staff, customers and normal work. Older commercial premises may have been designed for fewer computers, appliances...