Which article refers to fixed electric space-heating equipment?

The reference to fixed electric space-heating equipment is found in Article 424 of the National Electrical Code (NEC). This particular article covers various aspects of electric heating systems that are static and considered fixed installations, focusing on their installation requirements, safety considerations, and operational guidelines.

Article 424 outlines specific provisions regarding the wiring, equipment ratings, and clearances needed for electric space-heating systems, establishing standards that promote safe operation and adherence to electrical codes. The inclusion of fixed electric space-heating equipment signifies that these installations must comply with rigorous safety measures due to their application and the potential hazards associated with electrical heating.

Understanding this article's significance helps ensure compliance with electrical standards, thereby protecting both properties and occupants from risks related to improper installation or operation of heating systems.