These requirements cover temporary lighting strings rated not more than 20 A, 125 V, intended for indoor and outdoor use to provide temporary illumination in accordance with the National Electrical Code.

These requirements cover temporary lighting strings consisting of a factory assembly of flexible cord, cable or insulated open conductors, incorporating a series of Edison-screw lampholders provided with lamp guards. The complete assembly is intended for connection to a branch circuit. A temporary lighting string employing a flexible cord may terminate in an attachment plug and may be provided with a cord connector at the opposite end.

A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.