IEC 60884-2-7:2025

Overview

IEC 60884-2-7:2025 - "Plugs and socket-outlets for household and similar purposes - Part 2-7: Particular requirements for cord extension sets" specifies safety and construction requirements for cord extension sets (rewirable and non-rewirable), with or without earthing, rated >50 V up to 440 V and ≤16 A. It covers sets intended for household and similar use, indoors or outdoors, and includes cord extension sets intended to be used in a cable reel (in which case IEC 61242 requirements also apply). This second edition is a technical revision aligned to IEC 60884‑1 (fourth edition).

Key Topics

This standard supplements IEC 60884‑1 and addresses cord extension set–specific requirements, including:

• Scope and ratings: voltage and current limits, ambient temperature suitability (+40 °C normal; 24 h average ≤ +35 °C; lower limit −5 °C).
• Construction and materials: plugs, portable and fixed socket‑outlets, terminals and terminations, earthing provisions.
• Safety tests and performance: protection against electric shock, insulation resistance, electric strength, temperature rise, resistance to heat, mechanical strength, and resistance to humidity.
• Electrical characteristics: breaking capacity, normal operation, force to withdraw the plug, and connection of flexible cables.
• Marking and classification: required markings, product classification and ratings.
• Special requirements and annexes: EMC/EMF considerations, ageing, switches in portable socket‑outlets, crimped and insulation‑piercing terminals, and low‑temperature service (down to −45 °C) or high‑load applications where applicable.
• Interface with cable reels: cord sets intended for inclusion in a reel must meet IEC 61242 reel requirements in addition to this standard.

Applications

IEC 60884-2-7:2025 is essential for:

• Manufacturers designing and producing cord extension sets for household, garden, or similar domestic applications.
• Product designers and engineers specifying rewirable or non‑rewirable extension leads, with or without earthing.
• Test laboratories and conformity assessment bodies performing type and routine tests referenced in the standard.
• Purchasing, safety and compliance teams ensuring products meet international safety, marking and performance requirements.
• Regulatory authorities and market surveillance bodies evaluating safety for indoor/outdoor cord extension use.

Related Standards

• IEC 60884‑1:2022 - General requirements for plugs and socket‑outlets (reference and alignment).
• IEC 60884‑2‑8 - Socket‑outlets for furniture (when extension sets are used as furniture outlets).
• IEC 61242 - Cable reels for household and similar purposes (applies when cord extension sets form part of a reel).

Keywords: IEC 60884-2-7:2025, cord extension sets, plugs and socket-outlets, household, cable reel, earthing, rewirable, product safety, IEC standards.