07/04/2019
A competent person is one who the responsible person ensures has the necessary practical and theoretical skills, acquired through training, qualification, experience or a combination […]
05/02/2019
The earth continuity test is used to check the integrity of the protective earth within a Class 1 appliance, extension lead or powerboard. It involves […]
11/04/2019
Extra low voltage operates at < 51V AC or < 120V The risk factor is considered to be low and therefore extra low voltage appliances […]
05/02/2019
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 […]
11/04/2019
High voltage operates at > 1,000V AC or > 1500V DC High voltage presents a risk of electrical arcing
05/02/2019
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
The insulation resistance test in the test and tag process is used to test integrity of the insulation. Also called a “mega test” or “IR […]
05/02/2019
The leakage current test is used to test integrity of the insulation. It is sometimes called the powered-up test. The measurement is recorded in mA. […]
11/04/2019
Low voltage operates within the range of 51V – 1,000V AC or 120V – 1500V DC For test and tagging purposes these appliances present a […]