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In electrical and safety engineering, hazardous locations (HazLoc, pronounced haz·lōk) are places where fire or explosion hazards may exist. Sources of such hazards include gases, vapors, dust, fibers, and flyings, which are combustible or flammable. Electrical equipment installed in such locations can provide an ignition source, due to ...
Operating temperature. An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and ranges from the minimum ...
AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. A plug is the connector attached to an electrically-operated device, often via a cable. A socket (also known as a receptacle or outlet) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit.
T 3 is the more metabolically active hormone produced from T 4.T 4 is deiodinated by three deiodinase enzymes to produce the more-active triiodothyronine: . Type I present in liver, kidney, thyroid, and (to a lesser extent) pituitary; it accounts for 80% of the deiodination of T 4.
Otherwise an electrocardiogram, blood work to check the heart, and urine testing for signs of muscle breakdown may be performed. [9] Management may involve resuscitation, pain medications, wound management, and heart rhythm monitoring. [9] Electrical injuries affect more than 30,000 people a year in the United States and result in about 1,000 ...
An electrical burn is a burn that results from electricity passing through the body causing rapid injury. Approximately 1000 deaths per year due to electrical injuries are reported in the United States, with a mortality rate of 3-5%. [ 1][ 2] Electrical burns differ from thermal or chemical burns in that they cause much more subdermal damage. [ 3]
The thyroid hormones cross the follicular cell membrane towards the blood vessels by an unknown mechanism. [31] Text books have stated that diffusion is the main means of transport, [ 35 ] but recent studies indicate that monocarboxylate transporter (MCT) 8 and 10 play major roles in the efflux of the thyroid hormones from the thyroid cells.
Electrical burns may lead to compartment syndrome or rhabdomyolysis due to muscle breakdown. [22] Blood clotting in the veins of the legs is estimated to occur in 6 to 25% of people. [22] The hypermetabolic state that may persist for years after a major burn can result in a decrease in bone density and a loss of muscle mass. [51]