In which of the following locations should a directory for services in a building NOT be placed?

Study for the National Electrical Code (NEC) Article 230 Exam. Prepare with challenging questions and detailed explanations. Master the material and boost your confidence before the test!

A directory for services in a building plays an essential role in ensuring that authorized personnel can quickly identify and access various services. While placing a directory at each service disconnect, and at locations where accessible services begin, helps in promoting safety and efficiency, placing directories at every entrance to the building can present concerns related to accessibility and security.

Directories are intended to guide individuals to specific areas where services are located, rather than serve as informational displays at pedestrian access points. By employing directories in areas where services are directly accessible, it minimizes the likelihood of unauthorized access or the potential for vandalism. Therefore, positioning a directory at every entrance to the building can compromise the integrity and security of the services — hence it is prudent to avoid this practice.

This rationale aligns with the overall intent of the NEC, which emphasizes safety, organization, and clear access to electrical service locations while addressing potential security concerns.

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