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Are double Insulated portable tools earthed?
No.
What are the functions of Double insulation?
An electrical appliance which is double insulated does not have an earth wire fitted. The appliance is designed in such a way that the electrical parts can never come into contact with the outer casing of the device. Common double insulated appliances are hair dryers, radios and cassette players.
What appliances are connected to double circuit breakers used in the distribution panel?
240V appliances, such as range, dryer, air conditioner.
How can manufacturers achieve a high insulation of windows?
Insulated or double or triple glazing can achieve a high level of insulation of windows. This involves thick sheets of glass layered together to lower the transfer of heat.
What is the size of a Java object and how can you find it?
Most Java objects seem to be 32KB and are located under your downloaded programs. If you double click on your "My Computer" icon then double click on "Local Disk (C:) " there you should find an area with a "Windows" folder double click on that and there should be a "Downloaded Programs" folder in which if you double click on that you will be able to then see your Java objects - OR - instead of going into the "Windows" folder you could double click on the "Programs" folder and there will be a "Java" folder in there (which ever you prefer).
