Be aware that a fireplace may pull more warm air from a house than it gives out. About one-third of the electricity that is used today powers sensitive electronic equipment. The plug load for all of the sophisticated equipment that everyone likes to use will continue to increase. Microwave ovens Video cassette recorders Satellite receivers Home or office security systems Answering machines Identifying power quality problems Elusive, curious, puzzling and unexplainable problems in the operation of sensitive equipment might be related to or caused by power quality problems. Errors, not yours, are found in data.
Memory is there, then lost.
Circuit boards have to be replaced. You are locked out of the system. In homes, air conditioners, refrigerators, garbage disposal units and sensitive electronic equipment affect the power. For example in the past, few were concerned about the lights dimming when the refrigerator started. Today, the computer might crash or the clocks could need resetting due to a change in the voltage.