These rooms are required to have Arc-Fault Circuit Interrupter protection according to the 2023 NEC.
What are bedrooms, kitchens, laundry rooms, living rooms, dining rooms, and hallways?
The maximum number of current-carrying conductors allowed in a conduit without requiring ampacity derating.
What is three?
This is the NEC 2023 rule for GFCI protection on outdoor receptacles installed on balconies and decks, regardless of height or accessibility.
What is that all outdoor receptacles, including balconies and decks, must have GFCI protection?
This common cable type is not permitted for installation in wet locations according to NEC 2023.
What is NM (Non-Metallic) cable?
The primary function of this device is to protect against electrical arcs that could cause fires.
What is an AFCI (Arc-Fault Circuit Interrupter)?
This type of cable is permitted for direct burial underground.
What is UF (Underground Feeder) cable?
NEC 2023 requires GFCI protection for receptacles supplying these two types of pumps when located in unfinished basements or crawl spaces.
What are sump pumps and sewage ejectors?
According to NEC 2023 Table 310.15(B)(3)(a), the ampacity derating percentage applied when 7 to 9 current-carrying conductors are bundled in the same raceway.
What is 35%?
All receptacles in this room must have GFCI protection according to NEC 2023.
What is a bathroom?
NEC 2023 limits conductor insulation in plenums to these two characteristics to meet fire safety standards.
What are low smoke and flame spread ratings?