UL 817 - Standard for Cord Sets and Power-Supply Cords

UL 817 specifies safety requirements for cord sets and power-supply cords with molded-on or assembled-on fittings, rated up to 600 volts. It ensures that these products meet safety and performance standards for use in non-hazardous environments in accordance with the National Electrical Code (ANSI/NFPA 70).

Scope:

Applicable Products:

• Cord sets with molded-on or assembled-on fittings.

• Power-supply cords intended for non-hazardous locations.

Testing and Requirements:

• Covers general-use attachment plugs and cord connectors.

• Includes hospital-grade attachment plugs and connectors.

• Specifies cord restraint devices to prevent strain on electrical connections.

• Tests for electrical performance, mechanical durability, and grounding reliability.

Exclusions:

• Does not cover temporary outdoor-use cord sets for periods exceeding 90 days.

• Excludes Christmas-tree lighting and other seasonal decorative lighting, which fall under UL 2438.

Applications:

Safety Assurance:

• Ensures electrical safety for cord sets and power-supply cords in homes, offices, and similar environments.

Product Compliance:

• Provides manufacturers with a framework to meet safety and regulatory standards.

Testing Consistency:

• Offers a standardized approach for testing electrical performance and mechanical integrity.