Overview
IEC 60061-2:1969/AMD33:2005 is Amendment 33 to the international standard IEC 60061-2, titled "Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 2: Lampholders". This amendment updates the specifications for lamp holders, providing detailed technical requirements, dimensions, and testing procedures to ensure the interchangeability and safety of lamp holders used in electric lighting applications.
Published by the International Electrotechnical Commission (IEC), this amendment contributes to maintaining global standardization in lamp holder design, improving compatibility between lamps and holders, and enhancing user safety. Access to the full and updated content requires a subscription to the IEC 60061 Database.
Key Topics
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Lamp Holder Dimensions
This amendment specifies precise dimensional requirements for a range of lamp holders, including W3x16q, WX3x16q, WY3x16q, GX8.5, GX10, GY10, and PGJY19 types. Dimensions are detailed in millimeters to ensure consistent interchangeability across manufacturers and devices.
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Interchangeability and Safety
Central to IEC 60061-2/AMD33:2005 is the control of interchangeability to allow lamp holders and caps from different manufacturers to fit and function seamlessly. Safety considerations include correct electrical contact areas, retention forces, and insertion/removal forces to prevent malfunctions and electrical hazards.
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Gauging and Testing Procedures
Specific gauges and measurement tools such as those on sheet 7006-106A, 7006-143A/B/C, 7006-144, 7006-145, and others are mandated to verify dimensions and forces. Tests on insertion force, retention force, withdrawal torque, and other mechanical aspects ensure compliance with safety and usability criteria.
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Insertion and Retention Forces
The amendment defines the allowable range for insertion and withdrawal forces (e.g., not exceeding 60 N for gauge "A" insertion and engagement) to guarantee secure lamp fitting without excessive physical effort.
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Design and Contact Specifications
Details include the location and area of electrical contacts, restrictions against certain types of contacts (such as no bottom contacts for some lampholders), and requirements on reference planes and retention lugs for reliable electrical connection.
Applications
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Lighting Equipment Manufacturing
Manufacturers of lighting products use this standard amendment to design lamp holders that are fully compatible with standardized lamp caps, enhancing product interchangeability and reducing warranty issues.
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Quality Assurance and Compliance
Test laboratories and manufacturers utilize the specified gauges and measurement processes to verify product quality and compliance with international safety requirements.
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Electrical Equipment Installation
Electricians and installation technicians benefit from standardized lamp holders for ease of installation, replacement, and maintenance, minimizing compatibility errors that can cause damage or safety risks.
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Regulatory and Certification Bodies
Certification authorities refer to IEC 60061-2 and its amendments for examination and certification of electrical lighting products to ensure market compliance and consumer protection.
Related Standards
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IEC 60061-1: Lamp caps and holders - Part 1: General requirements
Covers overarching principles and terminology applicable to the entire IEC 60061 series.
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IEC 60061-3: Lamp caps and holders - Part 3: Prefocus and Sealing Caps
Complements Part 2 with specifications for other types of lamp caps and seals.
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IEC TR 60887: Guide for the application of IEC 60061 series
Provides guidance on the correct interpretation and use of the lamp caps and holders standards.
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IEC 60400: Lampholders for tubular fluorescent lamps
Addresses lampholder specifications for tubular fluorescent lighting, a key lighting format.
Keywords: IEC 60061-2 Amendment 33, lamp holders standard, lamp caps interchangeability, IEC lamp holder gauges, electrical safety standards, lamp holder dimensions, lighting equipment standards, IEC electrical standards, lamp holder testing, lampholder retention force