
ETL stands for Edison Testing Laboratories, which were previously known as Thomas Edison's Lamp Testing Bureau. ETL is a Nationally Recognized Testing Laboratory (NRTL) that offers testing, inspection, and certification services worldwide. ETL certification ensures that a product has passed safety tests and meets performance standards. ETL does not develop its own standards but follows those established by other authorities, such as the National Electric Code and Underwriters Laboratories (UL). ETL-listed products are verified as safe for consumer use and comply with accepted national standards. ETL conducts rigorous testing for safety, including ensuring that products are made from fire-rated materials and are safe for use in various environments.
| Characteristics | Values |
|---|---|
| Full Form | Edison Testing Laboratories |
| Type of Laboratory | Nationally Recognized Testing Laboratories (NRTLs) |
| Safety Standards | ETL follows the safety standards set by UL |
| Certification | ETL Listed |
| Certification Issuing Authority | Intertek |
| Certification Assurance | Assurance that the product has passed safety tests and meets standards in the US and Canada |
| Testing | Rigorous testing for safety, including ensuring plastics are self-extinguishing and wires are made from fire-rated materials |
| Surveillance | ETL conducts ongoing surveillance to ensure continuous compliance with safety standards |
| Listing | ETL-listed products are safe for consumer use |
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What You'll Learn

ETL stands for Edison Testing Laboratories
Edison Testing Laboratories is responsible for testing and certifying products to ensure they meet safety standards. ETL is a Nationally Recognized Testing Laboratory (NRTL) and is recognised by the Occupational Safety and Health Administration (OSHA). This means that it is an independent laboratory that operates independently and is not a governmental organisation.
The ETL certification process involves rigorous testing to ensure product safety. For example, they test plastics to ensure they are self-extinguishing and that wires are made from fire-rated materials. ETL also conducts ongoing surveillance to ensure products continue to comply with safety standards.
The ETL Listed mark on a product indicates that it has passed safety tests and meets performance standards. This provides customers with peace of mind, as they can be confident that the product is safe to use and will perform reliably. ETL certification is especially important for lighting fixtures, as it ensures they meet electrical safety standards and are suitable for use in damp or wet environments.
In summary, ETL, which stands for Edison Testing Laboratories, plays a crucial role in ensuring product safety and helping consumers make informed purchasing decisions.
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ETL-listed products are tested for safety
ETL stands for Edison Testing Laboratories, which traces back to Thomas Edison's Lamp Testing Bureau. ETL is a division of Intertek, a company that provides quality assurance for a number of industries.
The ETL certification process includes rigorous testing for safety, such as ensuring plastics are self-extinguishing, fuses are present, and wires are made from fire-rated materials. ETL also conducts ongoing surveillance to ensure continuous compliance with safety standards.
The ETL Listed Mark indicates that a product has been tested by Intertek and found to be compliant with accepted national standards. The mark is proof of product compliance to safety standards and is accepted throughout the US and Canada.
While ETL and UL listings are not legally required, many retailers might not sell products unless they are listed with some sort of certification. ETL certification provides customers with peace of mind, as it indicates that the product has undergone independent testing and certification to meet strict safety and performance standards.
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ETL does not create its own standards
ETL stands for Electrical Testing Laboratories, which is the certification division of Intertek Testing Laboratories. ETL is a member of the Occupational Safety and Health Administration's (OSHA) Nationally Recognized Testing Laboratories (NRTLs).
As an NRTL, ETL is an independent laboratory that conducts rigorous testing and certification processes to ensure products meet safety standards. However, unlike other laboratories such as Underwriters Laboratories (UL), ETL does not create or develop its own standards for certification. Instead, it follows the safety standards set by other authorities, such as the National Electric Code and UL. This is an important distinction for businesses to understand when choosing a certification body.
The primary role of ETL is to test products for safety and ensure they meet industry standards. The ETL certification process includes rigorous testing for safety, such as ensuring plastics are self-extinguishing and wires are made from fire-rated materials. ETL also conducts ongoing surveillance to ensure continuous compliance with safety standards.
While ETL does not create its own standards, it plays a crucial role in organizing these standards and certifying the labs that perform the tests. ETL's certification provides customers with the assurance that products bearing its mark have undergone independent testing and meet strict safety and performance standards. This helps customers make well-informed purchasing decisions, especially when it comes to lighting fixtures and electrical components.
In summary, while ETL does not create its own standards, it is a trusted and respected certification body that ensures products meet established safety and performance benchmarks. ETL-certified products are recognized for their safety and quality, providing confidence to both manufacturers and consumers.
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ETL certification is quicker and less expensive than UL certification
ETL stands for Electrical Testing Laboratories, a certification division of Intertek Testing Laboratories. ETL certification is a label that ensures lighting fixtures meet safety and quality standards. It is a rigorous process that includes safety testing, such as ensuring plastics are self-extinguishing and wires are made from fire-rated materials. ETL also conducts ongoing surveillance to ensure continuous compliance with safety standards.
UL stands for Underwriters Laboratories, a third-party organization that develops industry-wide safety standards and tests products against these benchmarks. UL is a leading organization with over 1500 different safety standards that are approved for use in the US and Canada.
Both ETL and UL are Nationally Recognized Testing Laboratories (NRTLs) and are recognized by OSHA. They are both accredited electrical testing laboratories that can test to a variety of standards, including UL962a and CSA C22.2 (Canada). ETL and UL ratings exist to ensure that products and components are safe, giving consumers confidence in their purchases.
While both ETL and UL certifications are rigorous and respected, there are some key differences. UL develops its own safety standards, while ETL adopts standards from other laboratories, including UL. This means that ETL certification is generally quicker and less expensive than UL certification. In certain categories, ETL certification costs may even be half that of UL. ETL certification is popular among businesses due to its efficiency and lower cost, while UL certification covers a broader range of fields. It is important to note that neither certification is legally required, but they are often financially encouraged as they enhance a product's competitiveness.
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ETL-listed products are safe for consumer use
Electrical Testing Laboratories (ETL) is the certification division of Intertek Testing Laboratories, which offers testing, inspection, and certification services worldwide. ETL is a member of OSHA's Nationally Recognized Testing Laboratories (NRTLs), which are independent laboratories recognized by the Occupational Safety and Health Administration (OSHA). ETL is accredited as a Testing Organization and Certification Body by the Standards Council of Canada.
The ETL Listed Mark is proof of product compliance with North American safety standards. Authorities Having Jurisdiction (AHJs) and code officials across the US and Canada accept the ETL Listed Mark as proof of product compliance to published industry standards. ETL certification includes rigorous testing for safety, such as ensuring plastics are self-extinguishing, wires are made from fire-rated materials, and fuses are present.
ETL certification provides customers with peace of mind as it indicates that the product has undergone independent testing and certification to meet strict safety and performance standards. ETL-listed products are tested for their intended use and must meet the dedicated standards to be compliant. This certification is not legally required across the board, but many municipalities and cities require NRTL certification before a product can be sold in that location. Retailers might also not sell products unless they are listed with some sort of certification.
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Frequently asked questions
ETL stands for Electrical Testing Laboratories.
ETL certification is a process that includes rigorous testing for safety. Products that have been ETL-listed have been tested and verified for safe consumer use.
Electrical cables, powered equipment, industrial materials, and consumer goods that present a safety risk will always need a safety listing. For example, lighting fixtures and electrical components in damp environments, like bathrooms, require ETL certification.







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