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In electronics testing and servicing, an isolation transformer is a 1:1 (under load) power transformer used for safety. Without it, exposed live metal in a device under test is at a hazardous voltage relative to grounded objects such as a heating radiator or oscilloscope ground lead (a particular hazard with some old vacuum-tube equipment with ...
Isolation wards may need to be hastily improvised during epidemics such as in this image of WHO workers in Lagos, Nigeria managing Ebola patients in 2014. Disease isolation is relevant to the work and safety of health care workers. Health care workers may be regularly exposed to various types of illnesses and are at risk of getting sick.
A transformer is the most widespread example of galvanic isolation. An opto-isolator is a very popular method of isolation in digital circuits. Cross-section of dual in-line package opto-isolators. Relative sizes of LED (red) and sensor (green) are exaggerated.
Sports centre requisitioned for the isolation and care of people infected with coronavirus disease 2019, in Wuhan (China). In hospitals and other medical facilities, an isolation ward is a separate ward used to isolate patients with infectious diseases. Several wards for individual patients are usually placed together in an isolation unit.
Schematic of a network of rooms where air (shown in blue) flows in one direction from the corridor into the negative pressure room (green). Exhaust air is safely removed from the area through a ventilation system. Negative pressure is generated and maintained in a room by a ventilation system that continually attempts to move air out of the ...
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The isolation that could be created by each transformer is defeated by always having one leg of the transformers grounded, on both sides of the input and output transformer coils. Power lines also typically ground one specific wire at every pole, to ensure current equalization from pole to pole if a short to ground is occurring.
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