(a) The electrical elements of a wastewater treatment facility and collection system must conform to local electrical codes. If the wastewater treatment facility or collection system is located in an area that does not have a local electrical code, the electrical elements must comply with the most recent edition of the National Fire Protection Association 70 National Electrical Code® at the time of installation.(b) The wastewater treatment facility and collection system must conform to local fire codes. If the wastewater treatment facility is located in an area that does not have a local fire code, the wastewater treatment facility and collection system must comply with the most recent edition of National Fire Protection Association 1 Fire Code® at the time of installation.(c) Electrical elements must be protected from environmental hazards with a housing. Environmental hazards include moisture, extreme temperatures, and pests.