electrical and electronic products, namely, electrical measuring instruments, namely, instruments for determining the voltage at which electrical insulation breaks down, instruments for measuring the resistance of electrical grounding connection to the earth, instruments for measuring the electrical resistance of electrical insulation, instruments for measuring the leakage current present in electrical insulation, instruments for verifying the functionality of electrical products, and replacement parts for electrical measuring instruments, namely, voltmeters, ammeters, electrical switches, potentiometers, and current transformers, and multiplexers for electrical safety compliance testing, instruments for determining the voltage at which electrical insulation breaks down, instruments for measuring the resistance of electrical grounding connection to the earth, instruments for measuring the electrical resistance of electrical insulation, instruments for measuring the leakage current present in electrical insulation, instruments for verifying the functionality of electrical products, and electrical power supply frequency converters, AC electrical power supplies, DC electrical power supplies, DC electronic load measurers and testers, AC Electronic load measurers and testers, AC source measurers and testers, DC source measurers and testers, AC electrical power supply measurers and testers, DC electrical power supply measurers and testers; AC electrical power supplies which may be interconnected and are provided with changes to the available options depending on the number of AC electrical power supplies that are interconnected; electrical safety compliance analyzers for use by the producers of electrical products for testing for compliance with industry standards for AC hipot, DC hipot, forty amp ground bond, insulation resistance, and functional run or line leakage, and for testing manufactured electric products, namely, computers, lighting fixtures, lighting ballasts, appliances, medical devices, motors, printed circuit boards (PCBs) and components of PCB's; instruments for determining the voltage at which electrical insulation breaks down; instruments for measuring the resistance of electrical grounding connection to the earth; instruments for measuring the electrical resistance of electrical insulation; instruments for measuring the leakage current present in electrical insulation; instruments for verifying the functionality of electrical products; electrical and electronic measuring and testing devices provided with user adjustable settings for powering up for use in measuring and testing electrical power fluctuations; downloadable computer software for use in testing electrical safety products, namely, to ensure compliance with regulations, to set up electrical safety products for their intended use, and to analyze the results of the tests of electrical safety products; electrical and electronic instruments for measuring and testing the performance, strength and efficiency of electronic and electrical products; electronic test instrument and associated downloadable computer software for use in electrical safety testing; electrical measuring instruments for testing the dielectric strength of electronic and electrical products; electrical circuits used to monitor current leakage from electrical safety testing devices to the ground sold as a component part of the electrical safety testing devices; re-calibration warning signal that provides a warning when calibration is due, sold as a component electrical safety compliance testing apparatus; electronic self-verification feature that tests for proper operation, sold as a component of electrical safety compliance testing apparatus; electrical measuring instruments used for testing the safety ground circuit of consumer and industrial products; electronic test systems comprised primarily of printed circuit boards; downloadable computer software in the field of testing electronic equipment, housings, transformers, and liquid crystal displays also known as LCDs; electrical instruments used to test commercial products on a variety of electrical safety specifications including tests for AC hipot, DC hipot, insulation resistance, ground bond, functional run and line electricity leakage test; electrical instruments used to perform electricity leakage tests on commercial products; electrical instruments used to apply preselected electrical power loads to simulate possible power loads when using the products being tested, and electrical instruments used to simulate fault conditions while tests are in process; apparatus for testing electronic equipment comprised primarily of printed circuit boards; downloadable computer software in the field of testing electronic equipment, housings, transformers, liquid crystal displays also known as LCDs; electrical instruments used to test commercial products on a variety of electrical safety specifications including tests for AC hipot, DC hipot, insulation resistance, ground bond, functional run and line electricity leakage test; electrical instruments used to perform electricity leakage tests on commercial products; electrical instruments used to apply preselected electrical power loads to simulate possible power loads when using the products being tested; electrical instruments used to simulate fault conditions while tests are in process; electronic testers used in testing medical equipment for malfunctions; downloadable computer software for testing of electronic medical equipment; electronic testers for electronic medical equipment; replacement parts for apparatus that test electric goods; none of the foregoing goods for use with thermocouples