The continuity test is used to check the integrity of the protective earth within an appliance.

It involves measuring an electrical value between the resistance between the earth pin on the plug and the accessible earthed parts on a Class I appliance.

05/02/2019

Continuity Test (earth)

The continuity test is used to check the integrity of the protective earth within an appliance. It involves measuring an electrical value between the resistance […]
05/02/2019

Functional Earth

Some Class II appliances are to an earth for a purpose other than safety, such as electromagnetic interference suppression or harmonic current suppression. Such equipment […]
05/02/2019

Hostile Environment

An environment where the expected life span of an appliance would be reduced due to factors such as humidity, corrosion, dust, physical abuse etc. It […]
05/02/2019

Insulation Resistance Test 500V / 250V DC

Used to test integrity of the insulation. Also called a “mega test” or “IR test”. The measurement is recorded in MΩ
05/02/2019

Leakage Current Test

Also called powered-up test. Used to test integrity of the insulation.  The measurement is recorded in mA. It is a preferred to test to 500V […]
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