Overview
IEC 60061-3:1969/AMD55:2018 is the Amendment 55 to the international standard IEC 60061-3, issued by the International Electrotechnical Commission (IEC). This amendment focuses on gauges related to lamp caps and holders, which are essential tools for ensuring the interchangeability and safety of lamp fittings worldwide. The document provides detailed specifications of various "Go" and "Not Go" gauges to control the dimensions, fit, and contact reliability in lamp caps and lampholders.
The amendment serves as an update to the 1969 original edition, incorporating the latest requirements and improvements in gauge design to facilitate better safety standards and manufacturing consistency in lighting components.
Key Topics
- Lamp Caps and Holders: Specifics for various types such as bayonet caps (B22d, B15d), Edison screw bases (E27, E40), and prefocus caps (PX26d, PY26d).
- Gauges for Interchangeability: "Go" and "Not Go" gauges are defined to measure the physical dimensions ensuring lamp caps fit properly into holders without risk of loose contacts or incompatibility.
- Safety Control: Gauges designed to test contact integrity, protection against accidental contacts, and prevention of bulb-neck damage.
- Contact Forces and Positions: Instruments dedicated to verifying the force and position of electrical contacts within lampholders for safe and reliable operation.
- Insertion and Retention Testing: Gauges for assessing how securely lamp caps insert into holders and resist accidental displacement.
- Compatibility across Types: Covers a wide range of lamp fitting types including bi-pin caps (G1.27 series), caps on finished lamps (BA9, BAY9, BAZ9 series), and specific gauges for less common types like BA15s-3.
- Thread and Torque Gauges: For screw-type lampholders, the amendment specifies tools for measuring correct screw thread profiles and insertion torque values to guarantee standard mechanical connection quality.
Applications
IEC 60061-3 Amendment 55 gauges are critical for:
- Manufacturers: Ensuring components meet international dimension and safety standards to guarantee product interchangeability worldwide.
- Quality Control Labs: Using defined gauges to routinely verify lamp caps and holders conform to precise mechanical and electrical requirements.
- Testing Facilities: Validating electrical contact safety, mechanical retention, and ease of insertion for new lamp designs.
- Safety Inspectors and Certifiers: Confirming that lighting products comply with safety directives preventing electrical hazards or damage.
- Lighting Industry Standardization: Harmonizing lamp and holder specifications helps reduce manufacturing errors, improves consumer safety, and simplifies global trade.
Related Standards
- IEC 60061 Series: Comprehensive standards covering all aspects of lamp caps, holders, and associated accessories for interchangeability and safety.
- IEC 60061-1 & 60061-2: Cover lamp caps and holders - dimensional definitions and performance requirements.
- National and Regional Standards: Many entities adopt IEC 60061 series as a basis for lamp fitting standards, including EN, ANSI, and JIS standards.
- Electrical Safety Standards: Complementary IEC standards addressing electrical safety testing for lamps and lampholders, such as IEC 60598.
By defining precise gauge specifications, IEC 60061-3:1969/AMD55:2018 plays a pivotal role in maintaining safety and standardization in the global lighting industry, promoting reliable interchangeability of lamp fittings, and protecting end-users from electrical and mechanical hazards. For manufacturers, testers, and regulators alike, this amendment acts as a key reference ensuring consistent quality and compliance in lamp cap and holder design.
Open preview (PDF)Amendment 55 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges
