IEC60061-3 is a professional technical standard developed by the International Electrotechnical Commission (IEC), providing guidelines and specifications for lamp caps, lampholders, and the gauges used for testing and measuring these components. Widely recognized and respected within the industry, this standard helps ensure the safety and compatibility of electrical products.
1. Historical Evolution
First published in 1969, IEC 60061-3 has undergone numerous updates to keep pace with the evolving needs of the industry. As the demand for safe and reliable lighting systems grew, along with concerns from users and manufacturers regarding the use of electrical equipment, this standard came into being. Its continuous revisions and improvements reflect the advancements in lighting technology and the increasing requirements for product safety and interchangeability. For instance, with the emergence of new types of lamps, the dimensional, structural, and performance requirements for lamp caps and lampholders have also changed accordingly, and the standard has been updated in a timely manner to cover these new situations.
2. Scope of Application
IEC60061-3 standard covers a wide range of topics related to lamp caps and lampholders, including their design, construction, and testing. It specifically stipulates the dimensional, material, and performance requirements of these components, as well as the test procedures used to verify their suitability for different applications. Whether it is common household lighting fixtures or lighting equipment used in special places such as industrial and commercial settings, as long as lamp caps and lampholders are involved, this standard needs to be followed. From ordinary screw-type lamp caps and bayonet-type lamp caps to various special-specification lamp caps and their corresponding lampholders, all are within the scope of its specifications.
3. The Vital Role of Gauges
Gauges play a central role in IEC 60061-3 and are key tools for ensuring that lamp caps and lampholders meet the requirements of the standard. By using various types of interchangeability dimension gauges for lamp caps and lampholders, their dimensions and shapes can be checked to ensure compliance with the standard. For example, thread go/no-go gauges are used to inspect the dimensions of threaded lamp caps or lampholders, ensuring that the thread specifications are correct and that they can be screwed together smoothly, avoiding situations where the lamp cap cannot be installed firmly or at all due to thread mismatch. Different types of gauges correspond to different inspection items, comprehensively guaranteeing the quality of lamp caps and lampholders.
4. Common Types of Gauges and Their Uses
4.1 Go Gauge
Take the E14 lamp cap go gauge (drawing number 7006 – 27F – 1) as an example. It is used to detect the thread size of the lamp cap and the minimum length of the lamp cap. When the lamp cap is screwed into the go gauge, if it can be screwed in smoothly, it indicates that the lamp cap meets the thread size requirements of the lamp cap; after screwing it all the way in, if it can touch a specific surface, it means that the length of the lamp cap meets the minimum size requirement. This ensures that the lamp cap can be correctly matched with the lampholder during installation to achieve electrical connection.
4.2 No-Go Gauge
For example, the E14 lamp cap no-go gauge (drawing number 7006 – 28B – 1) is used to prevent the lamp cap from being too large in size. If the lamp cap cannot pass through the no-go gauge, it indicates that the size of the lamp cap is within the allowable maximum value range, avoiding problems such as inability to install normally or affecting safety due to an oversized lamp cap.
4.3 Anti-accidental Contact Gauge
Like the E14 lamp cap anti-accidental contact gauge (drawing number 7006-55-1), it is mainly used to detect the risk of accidental contact of the lamp cap. Apply no more than the specified external force to the lamp cap to make it pass through the gauge. If it can pass through smoothly, it means that the outer diameter of the lamp cap meets the requirements, effectively preventing users from accidentally contacting the live parts during operation and ensuring personal safety.
4.4 Contact Performance Gauge
For example, the E14 lamp cap contact performance gauge (drawing number 7006-54-1) is used to detect the length and contact performance of the lamp cap. When the lamp cap is placed in the gauge, if it can enter smoothly, it indicates that the size of the lamp cap is good; when the lamp cap is pushed into the gauge, if a specific surface can touch or exceed another specific surface, it means that the contact performance is good, ensuring good electrical contact between the lamp cap and the lampholder, reducing resistance, and ensuring the normal operation of the lamp.
4.5 Solder Height Gauge
For instance, the E14 lamp cap solder height gauge (drawing number 7006-27G-1) is used to detect whether the height of the soldered part of the lamp cap meets the standard, ensuring soldering quality and the stability of electrical connection.
5. Structure and Technical Parameters
The structure of the gauges and related waveforms (such as thread waveforms) are calculated and optimized by computer and then processed by computerized machine tools, achieving a high degree of precision and aesthetic appeal. They are made of high-hardness steel materials with strong anti-rust capabilities to ensure that the accuracy of the gauges is not affected during long-term use. Different types and specifications of gauges have their own specific technical parameters, which are detailed in the standard. From the dimensional tolerances of the gauges to the surface roughness, strict requirements are imposed to ensure that the gauges can accurately detect various indicators of lamp caps and lampholders.
6. Compliance with the Standard and Industry Impact
During the design and production process, manufacturers of lighting products must strictly comply with the regulations regarding gauges in IEC 60061-3 and conduct comprehensive inspections of lamp caps and lampholders. Only products that meet the standard can enter the market, which effectively guarantees the safety of consumers during use and avoids electrical accidents caused by mismatched or poor-quality lamp caps and lampholders. At the same time, this standard promotes the standardized development of the entire lighting industry. As long as lamp caps and lampholders produced by different enterprises follow the same standard, better interchangeability can be achieved, improving the universality of products and their market competitiveness, and driving the healthy and orderly development of the lighting industry.
7. Main List of Pego’s IEC60061-3 Lamp Cap Gauges
Lamp Cap Type and Figure No. | Gauge Name |
E11 Lamp Cap Gauge | |
7006-6-1 | Go Gauge for Caps on Finished Lamps E11 |
E12 Lamp Cap Gauge | |
7006-27H-1 | Go Gauge for Caps on Finished Lamps E12 |
7006-28C-1 | Not Go Gauge for Caps on Finished Lamps E12 |
7006-27J-1 | Additional Go Gauge for Caps on Finished Lamps E12 |
7006-32-1 | Gauge for Finished Lamps Fitted With E12 Caps For Testing Contact-Making |
E14 Lamp Cap Gauge | |
7006-27F-1 | Go Gauge for E14 Caps on Finished lamps |
7006-28B-1 | Not Go Gauge for E14 Caps on Finished Lamps |
7006-55-2 | Gauge for Finished Lamps Fitted With E14 Caps for Testing Protection Against Accidental Contact |
7006-27G-1 | Go Gauge for Dimensions S1 of E14 Caps on Finished Lamps |
7006-54-2 | Gauge for Finished Lamps Fitted With E14 Caps for Testing Contact Making |
E17 Lamp Cap Gauges | |
7006-27K-1 | Go Gauge for Caps on Finished Lamps E17 |
7006-28F-1 | Not Go Gauge for Caps on Finished Lamps E17 |
7006-26D-1 | Gauge for Testing Contact-Making of Lamps Fitted With Caps E17 |
E26 Lamp Cap Gauges | |
7006-27D-3 | Go Gauge for Caps E26, E26/50×39, E26/51×39 &E26d |
7006-29L-4 | Not Go Gauge for Caps E26, E26/50×39, E26/51×39 & E26d |
7006-29A-2 | Gauge for Caps on Finished Lamps for Testing Protection Against Accidental Contact E26d |
7006-29-3 | Gauge for Testing Contact-Making of Lamps Fitted With Caps E26, E26/50×39, E26/51×39 &E26d |
7006-29B-2 | Gauge With Reference Diameter of 23mm for Caps E26d |
7006-29C-2 | Gauge With Reference Diameter of 13.2mm for Caps E26d |
7006-29D-1 | Gauge With Reference Diameter of 10.4mm for E26d Caps on Finished Lamps |
E27 Lamp Cap Gauges | |
7006-27B-1 | Go Gauge for E27 Caps on Finished Lamps |
7006-28A-1 | Not Go Gauge for E27 Caps on Finished Lamps |
7006-27C-1 | Go Gauge for Dimensions S1 of E27 Caps on Finished Lamps |
7006-50-1 | Gauge for Finished Lamps Fitted With E27 Caps for Testing Contact Making E27 |
7006-51A-2 | Gauge for Caps on Finished Lamps for Testing Protection Against Accidental Contact During Insertion E27 |
7006-51-2 | Gauge for Caps on Finished Lamps for Testing Protection Against Accidental Contact E27/51*39 |
E39 Lamp Cap Gauges | |
7006-24B-1 | Go Gauge for Caps on Finished Lamps E39 |
7006-24C-1 | Not Go Gauge for Caps on Finished Lamps E39 |
7006-24A-1 | Gauge for Finished Lamps Fitted With E39 Caps for Testing Contact-Making |
E40 Lamp Cap Gauges | |
7006-27-7 | Go Gauge for Caps on Finished Lamps E40 |
7006-28D-1 | Not Go Gauge for Caps on Finished Lamps |
7006-52-1 | Gauge for Finished Lamps Fitted With E40 Caps for Testing Contact Making E40 |
7006-53-1 | Gauge for Finished Lamps Fitted With E40 Caps for Testing Protection Against Accidental Contact |
B15 Lamp Cap Gauges | |
7006-4A-2 | Gauges for Testing The Insertion of Caps in Lampholders B15d, B22d & BY22d |
7006-4B-1 | Gauges for Testing The Retention of B15d and B22d Caps in The Holder |
7006-10-8 | Not Go Gauges for Caps on Finished Lamps BA9, B15, B22 & BY22d |
7006-11-8 | Go Gauge for Caps on Finished Lamps BA9, B15, BA15 & B22 |
B22d Lamp Cap Gauges | |
7006-4A-2 | Gauges for Testing The Insertion of Caps in Lampholders B15d, B22d & BY22d |
7006-4B-1 | Gauges for Testing The Retention of B15d and B22d Caps in The Holder |
7006-10-8 | Not Go Gauges for Caps on Finished Lamps BA9, B15, B22 & BY22d |
7006-11-8 | Go Gauge for Caps on Finished Lamps BA9, B15, BA15 & B22 |
7006-3-1 | Acceptance Gauge for B22d Caps Intended for Automatic Wire Threading |
7006-17A-1 | Go Gauge for Cap on Finished Lamps BY22d |
GZ10 Lamp Cap Gauges | |
7006-120-1 | Go and Not Go Gauge for Bases GZ10 |
Gu10 Lamp Cap Gauges | |
7006-121-1 | Go and Not Go Gauge for Bases GU10 |
G5 Lamp Cap Gauges | |
7006-46-3 | Go and Not Go Gauge for Unmounted Bi-Pin Cap G5 |
7006-46A-3 | Go Gauge for Bi-Pin Cap on Finished Lamps G5 |
G13 Lamp Cap Gauges | |
7006-44-4 | Go and Not Go Gauge for Unmounted Bi-Pin Cap G13 |
7006-45-4 | Go Gauge for Bi-Pin Cap on Finished Lamps G13 |
G9 Lamp Cap Gauges | |
7006-129-1 | Go Gauge for Base G9 |
7006-129A-1 | Not Go Gauge for Base G9 |
EP10 Lamp Cap Gauges | |
7006-28-7 | Not Go Gauge for Caps EP10 |
7006-37-1 | Go Gauge for Caps on Finished Lamps EP10 |
EY10 Lamp Cap Gauges | |
7006-7-1 | Go Gauge for Caps EY10 |
E10 Lamp Cap Gauges | |
7006-27A-2 | Go Gauge for Caps E10 |
8. Main List of Peo IEC60061-3 Lampholder Gauges
Lampholder Type & Figure No. | Gauge Name |
E5 Lampholder Gauges | |
7006-25F-1 | Go Plug Gauge for Checking Screw Threads of Lampholders E5 |
7006-25G-1 | Not Go Gauge for Checking Screw Threads of Lampholders E5 |
E11 Lampholder Gauges | |
7006-6-1 | Go Gauge for Caps on Finished Lamps E11 |
7006-6A-1 | Plug Gauge A For Testing Contact Making in Lampholders E11 |
7006-6B-1 | Plug Gauge B for Testing Contact Making in Lampholders E11 |
E12 Lampholder Gauges | |
7006-25C-1 | Go Plug Gauge for Lampholders E12 |
7006-26B-1 | Not Go Plug Gauge for Lampholders E12 |
7006-32A-1 | Plug Gauge for Lampholders for Testing Contact-Making E12 |
E14 Lampholder Gauges | |
7006-25-7 | Go Gauge for Screw Threads of Lampholders E10, E14 & E40 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
7006-30-2 | Plug Gauge for E14 Lampholder for Testing Contact Making |
7006-30A-1 | Plug Gauge for Lampholder E14 with Candle Shaped Shaft for Candle Lamps for Testing Contact Making |
7006-31-4 | Gauge for Testing Contact-Making and Protection Against Accidental Contact During Insertion of Lamps in Lampholders E14 |
E17 Lampholder Gauges | |
7006-25H-1 | Go Gauge for Lampholders E17 |
7006-26C-1 | Not Go Gauge for Lampholders E17 |
7006-26E-1 | Gauge for Testing Contact-Making in Lampholders E17 |
E26d Lampholder Gauges | |
7006-25B-2 | Go Gauge for Lampholders E26 |
7006-26A-2 | Not Go Gauge for Lampholders E26 & E26d |
7006-25J-1 | Gauge for Testing Contact-Making in Lampholders E26 |
7006-29K-1 | Go Plug Gauge for Lampholders E26d |
7006-29G-3 | Gauge for Testing Contact-Making in Lampholders E26d |
7006-29E-1 | Gauge for Checking The Radial Position of The Intermediate Contact of Lampholder E26d |
7006-29F-2 | Gauge for Testing The Relative Positions of The Contacts in Lampholders E26d |
7006-29H-3 | Gauge for Testing Contact-Making in Metal-Shell Paper-Lined Lampholders E26d |
7006-29J-1 | Plug Gauge for Testing Protection Against Accidental Contact in E26d Lampholder |
7006-29M-1 | Gauge for Testing Unacceptable Contact-Making in Lampholders E26d |
E27 Lamp Cap Gauges | |
7006-25A-2 | Go Gauge for Lampholders E27 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
7006-22A-4 | Gauge for Testing Contact-Making and Protection Against Accidental Contact During Insertion of Lamps in Lampholders E27 |
7006-21-5 | Gauge for Testing Protection Against Bulb-Neck Damage and For Testing Contact-Making in Lampholders E27 |
7006-22D-1 | Gauge II for Checking Side Contact Resiliency in Lampholders E27 |
7006-22B-1 | Gauge for Detecting Side-Contacts With Cutting-Edges in Lampholders E27 |
7006-22C-1 | Gauge I for Checking Side Contact Resiliency in Lampholders |
E39 Lampholder Gauges | |
7006-24E-1 | Go Gauge for Screw Thread of Lampholders E39 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
7006-24D-1 | Gauge for Testing Protection Against Bulb-Neck Damage and For Testing Contact-Making in Lampholders E39 |
7006-24F-1 | Gauge for Testing Maximum Insertion Torque in Lampholders With Shell-Grip Features E39 |
7006-24G-1 | Gauge for Testing Minimum Torque in Lampholders With Shell-Grip Features E39 |
E40 Lampholder Gauges | |
7006-25-7 | Go Gauge for Screw Threads of Lampholders E10, E14 & E40 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
7006-23-3 | Gauge for Testing Protection Against Bulb-Neck Damage and For Testing Contact-Making in Lampholders E40 |
7006-24-3 | Plug Gauge for Lampholders for Testing Protection Against Accidental Contact E40 |
B15 Lampholder Gauges | |
7006-12D-2 | Not Go Retention Gauge for Lampholders B15 |
7006-12C-2 | Supplementary Go Gauge for Lampholders B15d |
7006-15B-1 | Gauges for Checking Contact Position And Contact Force in Bayonet Lampholders B15d |
7006-13-5 | Gauges for The Slots in Lampholders B15d, B22d, B22d-3 & BY22d |
B22 Lampholder Gauges | |
7006-12-8 | Plug Gauges for Lampholders BA21. B15 & B22 |
7006-15-7 | Gauge for Checking Contact Position And Contact Force in Bayonet Lampholders B22d-3 (90°/135°) |
7006-20-4 | Plug Gauge for Bayonet Lampholder B22d-3 (90°/135°) |
7006-12A-2 | Supplementary Go Gauges for Lampholders B22d & BY22d |
7006-12B-2 | Not Go Retention Gauge for Lampholders B22 |
7006-15A-2 | Gauges for Checking Contact Position and Contact Force in Bayonet Lampholders B22d & BY22d |
7006-13-5 | Gauges for The Slots in Lampholders B15d, B22d, B22d-3 & BY22d |
7006-17B-1 | Plug Gauge for Lampholders BY22d |
GX53 Lampholder Gauges | |
7006-142A-1 | Gauge A for Lampholders GX53 |
7006-142B-1 | Gauge B for Lampholders GX53 |
7006-142C-1 | Gauge C for Lampholders GX53 |
7006-142G-1 | Go and Not Go Gauge for Checking Keys in Holders GX53 |
7006-142H-1 | Not Go Gauge for Checking The Maximum Key Distance of Holders |
GZ10 Lampholder Gauges | |
7006-120A-2 | Gauge for Checking The Maximum Insertion and Withdrawal Torques in Lampholders GZ10 |
GU10 Lampholder Gauges | |
7006-121A-2 | Gauge for Checking The Maximum Insertion and Withdrawal Torques in Lampholders GU10 |
G5 Lampholder Gauges |
|
7006-47A-2 | Plug Gauge for Lampholders for Testing Protection Against Accidental Contact G5 |
7006-47B-4 III IV V | Double Ended Gauges For A Combined Pair of Lampholders for Testing Contact-Making G5 |
7006-47C-3 I II | Double Ended Go Gauges For A Combined Pair of Lampholders G5 |
G13 Lampholder Gauges | |
7006-60B-4 III IV V | Double Ended Gauges for A Combined Pair of Lampholders for Testing Contact Making G13 |
7006-60C-3 I II | Double Ended Go Gauges for A Combined Pair of Lampholders G13 |
E10 Lampholder Gauges | |
7006-25-7 | Go Gauge for Screw Threads of Lampholders E10, E14 & E40 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
EP10 Lampholder Gauges | |
7006-37A-1 | Go Gauge for Prefocus Lampholders EP10 |
7006-26-4 | Not Go Gauges for Screw Threads of Lampholders E10, EP10, EY10, E14, E27, E39 & E40 |
G5.3 Lampholder Gauges | |
7006-73A-1 | Go Gauge for Lampholders G5.3 |
7006-73B-2 | Go and Not Go Gauge for Bi-pin Base GX5.3 |
7006-126B-1 | Gauge B for Connector G5.3-4.8 |
