NEC Commercial Electrical Practice Test

How many receptacle outlets must be installed above a show window for each 12 feet of the show's area measured at its maximum width?

1. One

2. Two

3. Three

4. Four

The correct answer is: One

The correct answer reflects a requirement based on the guidelines set forth in the National Electrical Code (NEC). Specifically, for show windows, the NEC mandates that at least one receptacle outlet be installed for every 12 feet of the width of the show area. This is essential for ensuring that there is adequate access to electrical power necessary for lighting or other displays within the window. In practical terms, this means that if a show window measures more than 12 feet in width, the installation of additional receptacles would be required to ensure compliance. However, the fundamental requirement specifies that at least one receptacle must be present for any show window up to 12 feet wide. This standard is crucial for safety and convenience, helping to prevent the need for long, unsafe extension cords that can create trip hazards or other electrical issues. Properly placed receptacles also contribute to the aesthetic and functional use of the display area by providing accessible power sources. Thus, the answer indicates a baseline requirement established by the NEC, emphasizing the importance of adhering to electrical safety codes in commercial settings.