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Ingress Protection (IP Code) Testing – IP20: Finger-Sized Object Protection

IP20 testing is essential in evaluating a product’s capacity to protect against the entry of finger-sized objects, specifically those of 12.5mm diameter. This standard is vital for ensuring the safety and integrity of electrical enclosures, particularly in environments where accidental contact with such objects poses a risk to both the product and the user.

As a certified Ingress Protection (IP Code) testing laboratory, we realize the importance of IP20 testing. Meeting ingress protection compliance requirements can be difficult. We understand the challenges and guide companies through the process. 

Request a quote to see why so many companies partner with Keystone Compliance. Contact us to receive more information on IP Code laboratory testing.

Summary of IP20 Ingress Protection Testing

The IP20 rating falls under the International Protection (IP) Marking system, managed by the International Electrotechnical Commission (IEC). This system classifies the protection levels provided by electrical enclosures against various external factors, including solid objects and liquids.

The IP20 standard specifically addresses the enclosure’s ability to prevent the ingress of objects of 12.5mm size, typically equivalent to the size of an adult finger.

Understanding IP20 Testing

IP20 testing focuses on a singular but crucial aspect of protection:

12.5mm Finger-Sized Object Protection (First Digit – ‘2’)

This testing ensures that the product can prevent the penetration of objects that are 12.5mm in diameter, which is roughly the size of an adult finger.

IP20 Laboratory Testing Procedures

Test for 12.5mm Finger-Sized Object Protection: The test involves attempting to insert a standardized object of 12.5mm diameter into the product’s enclosure. The object must not be able to penetrate any part of the enclosure that allows access to hazardous parts. This test ensures that the product is safe from accidental finger contact or the insertion of similar-sized objects.

Importance of IP20 Testing

Enhanced Safety

The IP20 standard is crucial for preventing accidental contact with dangerous parts of electrical equipment, thereby enhancing overall user safety.

Product Reliability

By ensuring that finger-sized objects cannot penetrate the enclosure, the IP20 rating helps maintain the product’s reliability and longevity.

Consumer Trust

Products that meet the IP20 standard are trusted for use in environments where interaction with the public or non-specialized personnel is expected.

Compliance with Safety Regulations

Adherence to the IP20 standard demonstrates compliance with essential safety regulations, particularly in consumer and professional electrical products.

Industry Applications

IP20 testing is particularly relevant in:

Consumer Electronics: For devices that are used in households and public spaces where accidental finger contact is possible.

Industrial Control Equipment: In environments where protection from accidental human contact is necessary to ensure safety and proper functioning.

Public and Commercial Infrastructure: For electrical installations in areas accessible to the general public or non-technical staff.

Expert IP 20 Ingress Protection (IP Code) Testing Laboratory

IP20 testing plays a vital role in certifying that products are safeguarded against the intrusion of 12.5mm finger-sized objects, a key factor in ensuring user safety and product reliability. This testing is not merely a compliance measure but a fundamental aspect of product design and safety in various applications.

As technologies evolve, the relevance and application of the IP20 standard will continue to be pivotal in assessing and ensuring the safety of electrical products.

In addition to IP20 testing, we offer a full range of IP Code tests, from IP10 to IP69K, ensuring comprehensive coverage for all ingress protection testing standards. Our team strives to give our customers more time and energy on product development instead of testing.

Ready to get started? We are. Contact us to see why so many companies work with us to achieve their environmental standard testing needs.


For similar tests to IP20, visit the following:

Ingress Protection (IP Code) Testing – IP21: Finger-Sized Object & Drip Water Protection
Ingress Protection (IP Code) Testing – IP22: Finger-Sized Object & Tilted Drip Water Protection
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Ingress Protection (IP Code) Testing – IP24: Finger-Sized Object & Splashed Water Protection
Ingress Protection (IP Code) Testing – IP25: Finger-Sized Object & Water Jet Protection
Ingress Protection (IP Code) Testing – IP26: Finger-Sized Object & Powerful Water Jet Protection
Ingress Protection (IP Code) Testing – IP27: Finger-Sized Object & Immersion Protection
Ingress Protection (IP Code) Testing – IP28: Finger-Sized Object & Extended Immersion Protection
Ingress Protection (IP Code) Testing – IP29: Finger-Sized Object & High-Temperature Water Jet Protection