Which of the following articles focuses on Pipe Organs?

The choice concerning Article 650 is correct as it specifically addresses the installation and use of "Pipe Organs." In the context of the National Electrical Code (NEC), this article outlines the requirements for electrical installations associated with organs that use pipes to produce music. Topics covered in this article typically include wiring methods, electrical supply connections, and safety considerations unique to the operation of pipe organs.

Understanding the relevance of Article 650 is essential for electricians dealing with specialized electrical equipment like pipe organs, as compliance ensures safety and proper functionality.