Nec Lighting Circuit Requirements
12 inches for surface incandescent fixtures.
Nec lighting circuit requirements. Some key points covered in this section include. Low voltage lighting systems must be listed by an approved testing agency as an entire system or assembled from individual components that are listed. Nec 210 70 at least one wall switch controlled lighting outlet shall be installed in every interior stairway with a switch at each floor level to control the lighting outlet when the difference between floor levels is six steps or more. Exterior light fixtures do not require gfci protection.
Every three years members of the national fire protection association nfpa meet to review modify and add new national electrical code nec or nfpa 70 requirements to enhance electrical safety in the workplace and the home. Nec codes for afci in home electrical applications. Ampacity ratings of conductors are covered in article 310 15 chapter 3 wiring methods and materials receptacle ratings must match or exceed the branch circuit ratings. Surface mounted electrical boxes for all electrical fixtures must be raintight weatherproof.
Arc fault protection required for all outlets defined by the nec include all lighting fixtures smoke detectors and receptacles. National electrical codes. This is a form of protection that guards against sparking arcing and thereby reduces the chance of fire. Even though this term is used in more than one code article it is defined in 600 2.
210 70 lighting outlets required. The national electrical code states its purpose as the practical safeguarding of persons and property from hazards arising from the use of electricity 90 1 a the adequacy of the code is covered in 90 1 b. The following are just two instances of afci requirements within the nec. 2 while proper.
Understand the updated nec 2020 code requirements for afci and gfci. Nec 410 8 lighting fixtures installed in a clothes closet shall have the following clearances from the defined storage area see the definition below. 1 provisions contained in the code are considered necessary for safety. Ground fault circuit interrupters gfcis have long been required in bathrooms but since 2014 the nec has required arc fault circuit interrupter afci protection in every lighting and outlet branch circuit in the house which includes the bathroom.
The nec defines electric discharge lighting as systems of illumination that use fluorescent lamps hid lamps or neon tubing 600 2. 210 12 b bedroom wiring methods afci outlet circuit. Nec 210 8 ground fault circuit interrupter gfci protection shall be provided for all 125 volt. Ampacity and size requirements for all branch circuit conductors are to be based on the non continuous load plus 125 percent of the continuous load.