Electrical Safety Testing Standards

In north america most electrical safety standards are published by underwriters laboratories ul or canadian standards association csa.

Electrical safety testing standards. Other publications include nfpa 70 national electrical code and nfpa 70e electrical safety in the workplace. As nzs 3760 2010 is an electrical safety standard in australia that specifies the generally observed safety inspection and maintenance standards. Iec 60335 is an international standard for domestic household appliances. In addition electrical safety thinking has changed over the years.

Iec 60601 is a series of technical standards for the safety and essential performance of medical electrical equipment published by the international electrotechnical commission first published in 1977 and regularly updated and restructured as of 2011 it consists of a general standard about 10 collateral standards and about 80 particular standards. Throughout the years safety standards and regulations have been evolving to make the use of electrical test equipment as efficient and reliable as possible. Electrical and electronic products have changed dramatically over the years requiring the safety standards to evolve to accommodate the changes in technology. The different standards sometimes overlap and may even conflict.

Even definitions may differ. 29 cfr 1910 333 a states that employers must employ safety related work practices to prevent electrical shock or other injuries resulting from either. National fire protection association nfpa. Standards on electrical safety myself included those in the healthcare field charged with implementing and interpreting the various standards need some help.

This includes the safety inspection for test and tag of single and polyphase 240v 415v portable electrical equipment and machinery connected to supply by flexible cord which is currently in. Nfpa 99 standard for health care facilities is the primary standard addressing electrical safety testing required in health care institutions. Many safety testing standards in the world have been based on it. Electrical safety testing has been around for almost a century and safety agencies have been testing and certifying products for almost as long.