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2. Portable appliance testing - Wikipedia

   en.wikipedia.org/wiki/Portable_appliance_testing

   In electrical safety testing, portable appliance testing (PAT, 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. The formal term for the process is "in-service inspection & testing of electrical equipment".

3. List of IEC standards - Wikipedia

   en.wikipedia.org/wiki/List_of_IEC_standards

   IEC 62057-1 Electrical energy meters – Test equipment, techniques and procedures – Part 1: Stationary meter test units (MTUs) IEC 62057-3 Electrical energy meters – Test equipment, techniques and procedures – Part 3: Automatic meter testing system (AMTS) IEC 62058 Electricity metering equipment (AC) – Acceptance inspection

4. Appliance classes - Wikipedia

   en.wikipedia.org/wiki/Appliance_classes

   A typical example of a Class 0 appliance is the old style of Christmas fairy lights. However, equipment of this class is common in some 120 V countries, and in much of the 230 V developing world, whether permitted officially or not. These appliances do not have their chassis connected to electrical earth.

5. UL (safety organization) - Wikipedia

   en.wikipedia.org/wiki/UL_(safety_organization)

   UL headquarters in Northbrook, Illinois. Underwriters Laboratories Inc. was founded in 1894 by William Henry Merrill.After graduating from the Massachusetts Institute of Technology (MIT) with a degree in electrical engineering in 1889, Merrill went to work as an electrical inspector for the Boston Board of Fire Underwriters. [9]

6. Electrical safety testing - Wikipedia

   en.wikipedia.org/wiki/Electrical_safety_testing

   Visual inspection. A survey without touching anything, and looking at the electrical installation or product before starting any electrical testing. A visual inspection seeks to identify damaged insulation, disconnected wires, incorrect installation, and any other visual issues. Dead testing. Continuity test: a test to check the wiring is correct

7. Certificate of occupancy - Wikipedia

   en.wikipedia.org/wiki/Certificate_of_occupancy

   In most cases, the inspections include, but are not limited to, plumbing inspections, fire sprinkler system inspections, fire alarm system inspections, electrical inspections, fire pump pressure tests, architectural inspections (where inspector checks if building was built in accordance with an architect's stamped and approved drawings ...

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9. National Electrical Code - Wikipedia

   en.wikipedia.org/wiki/National_Electrical_Code

   The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association . [ 1 ]