milliAmp = 1/1000th of an amp (0.001A)  The symbol is mA

05/02/2019

mA

milliAmp = 1/1000th of an amp (0.001A)  The symbol is mA
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mega

mega = 1,000,000  The symbol is M
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milli

milli = 1/1000th (0.001) The symbol is m
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mS

milliSecond = 1/1,000th of a second   The symbol is mS
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MΩ

megaOhm = 1,000,000 Ohms. The symbol is MΩ
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PAT

Acronym for Portable Appliance Tester – a portable device used for electrical testing of appliances.
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Polarity

Polarity refers to the wiring protocol for electrical appliances.  See AS/NZS 3760:2010 Appendix C.
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Powered-up Test

Refer to leakage current test.
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Protective Earth

The protective earth is a system to provide additional protection against electric shock. It is present in Class I appliances,  extension leads and powerboards.