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A body contact or body fault is a conductive connection between body and active parts of electrical equipment resulting from a fault. [1] A body, short or ground fault is: Perfect (direct) contact. If there is no fault resistance in the circuit Imperfect (indirect) contact. If a fault resistance is present in the circuit (e.g. wet branch, arc) [2]
In both JS-001-2012 and MIL-STD-883H the charged human body is modeled by a 100 pF capacitor and a 1500 ohm discharging resistance. During testing, the capacitor is fully charged to several kilovolts (2 kV, 4 kV, 6 kV and 8 kV are typical standard levels) and then discharged through the resistor connected in series to the device under test.
Electrical telegraphy may be considered the first example of electrical engineering. [5] Electrical engineering became a profession in the later 19th century. Practitioners had created a global electric telegraph network, and the first professional electrical engineering institutions were founded in the UK and the US to support the new discipline.
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge.Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations.
Electrical engineering can be described as all of the following: Academic discipline – branch of knowledge that is taught and researched at the college or university level. Disciplines are defined (in part), and recognized by the academic journals in which research is published, and the learned societies and academic departments or faculties ...
Initially such topics cover most, if not all, of the sub fields of electrical engineering. Students then choose to specialize in one or more sub fields towards the end of the degree. In most countries, a bachelor's degree in engineering represents the first step towards certification and the degree program itself is certified by a professional ...
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The Institute of Electrical and Electronics Engineers (IEEE) [a] is an American 501(c)(3) professional association for electrical engineering, electronics engineering, and other related disciplines. The IEEE has a corporate office in New York City and an operations center in Piscataway, New Jersey .