Final answer:
Residential telephone conductor installations are regulated by Article 800 of the National Electrical Code which provides guidelines to ensure safety and effectiveness.
Step-by-step explanation:
The requirements for residential telephone conductor installations must be made in accordance with Article 800 of the National Electrical Code (NEC). Article 800 covers the installation of network-powered broadband communications systems and is specific to circuits that are used to provide telephone and similar services. It provides guidelines on the installation, safety, and performance of these communication systems. Following these guidelines ensures that the installations are both safe and effective, as proper installation can prevent problems such as electrical hazards or interference with other systems.