List of Specific Industries
North American Industry Classification System (NAICS) codes for this industry
[ 335211 ] = Electric housewares and household fan manufacturing — Cooking appliances (except convection, microwave ovens), household-type electric portable manufacturing
[ 423620 ] = Electrical and electronic appliance, television, and radio set merchant wholesalers — Appliances, household-type (except gas ranges, gas water heaters), merchant wholesalers
Here are several examples. Heat sensors on a clothes drier can detect failed heating elements and clogged vent ducts. Electrical current sensors in motors can detect failed bearings or a jammed armature. Water flow sensors can detect broken pipes. Heat rise detectors can detect abnormally high attic temperatures. Digital detection software for use with cameras and microphones can detect abnormal activity in and around a home.