They aren't anymore. This article is from 2014; the rule was amended a year later to make an exception for grid-enabled electric water heaters.[0] [0] https:/

They aren't anymore. This article is from 2014; the rule was amended a year later to make an exception for grid-enabled electric water heaters.[0] [0] https://www.phcppros.com/articles/5312-water-heater-regulations https://www.phcppros.com/articles/5312-water-heater-regulati...