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An insulation resistance test (IR test) measures the electrical resistance of insulation by applying a voltage between two locations, and measuring the resultant current flow. Proper safety precautions must be taken when doing this test, such as exclusion zones, making sure no wires are exposed, and personal protective equipment is worn.
In electrical safety testing, portable appliance testing (PAT inspection or PAT testing) is a process by which electrical appliances are routinely checked for safety, commonly used in the United Kingdom, Ireland, New Zealand and Australia. In Australia and New Zealand it is commonly known as Test and Tag.
The CB scheme has its origin in the European "Commission for Conformity Testing of Electrical Equipment" (CEE) which merged into the IEC in 1985. CB system is the abbreviation for the name of the meaning of "Certification Bodies' Scheme" i.e, "system certification body.".
A test of 27 electrical chargers with UK sockets in 2008 found that all the eight legitimately branded ones with a reputable name met safety standards, but none of those unbranded or with minor names did, despite bearing the mark; [21] non-compliant devices were actually potentially unreliable and dangerous, presenting electrical and fire hazards.
To that end, the NETA Electrical Testing Technician Certification program was established in 1975. In recognition that the association had reached beyond United States borders, the name was changed to the InterNational Electrical Testing Association in 1983.
product certifications (many nations) Product certification or product qualification is the process of certifying that a certain product has passed performance tests and quality assurance tests, and meets qualification criteria stipulated in contracts, regulations, or specifications (sometimes called "certification schemes" in the product certification industry).
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