ETL-vs-UL Biblioteca actuadores heatizon

equipment to do fire testing, OSHA will certify them as a Nationally Recognized Testing

NRTL status tells all customers that the services performed by these companies, to list or

UL vs. ETL

UL was established by insurance underwriters to find ways to reduce unsafe hazards in

United States. A group of engineers who decide to do testing as a business must qualify

originally known as Edison Testing Laboratories, is an old, respected, nationwide testing

OSHA the Occupational Safety and Health Administration, the US government's

testing, Southwest Laboratories is another.

the marketplace, thereby reducing dramatic insurance claims. Since its inception, UL has,

to label products, is reliable and legally binding throughout the United States. ETL,

Laboratory (NRTL) to do fire testing. Factory Mutual, FM, is one such NRTL for fire

through OSHA to function as an independent test facility. Further-more, they must show

laboratories is Underwriters Laboratories, UL.

Many independent testing laboratories have NRTL status. Most are relatively specialized

been involved with writing standards of safety acceptability in the United States. They

process and achieved the right to apply a Nationally Recognized Testing Laboratory label

WHY ETL & CSA?

OSHA has become the certification agency for independent testing laboratories in the

enforcement arm for safety and health issues has been tasked with overseeing

binding nationwide and should instill equal consumer confidence in the manufacturer that

contributed to the development of standards. Similarly UL is not the only independent

group with credibility equal to UL or CSA. Therefore an ETL listing label is legally

and limited in their scope. The three major testing laboratories that operate in the United

they have cared enough to submit their products to the rigorous safety compliance

states that have a wide scope of testing qualification are, UL, CSA, and ETL. They are

certified by OSHA as NRTLs.

competence in the area of fire testing and have shown that they possess the facilities and

professional independent testing laboratories. The best known of all independent testing

have been one of the premier developers of safety standards but they have not been the

testing laboratory.

competence in specific areas, fire testing, for instance. Once they have demonstrated

that certifies compliance assurance.

only group to write standards. Groups like NEMA, IEEE, and ANSI have also