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An antistatic wrist strap, ESD wrist strap, or ground bracelet is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in ESD.
These systems may also be redefined in terms of ESD/EDP levels as: ESD level 1: In charge of general plant area shutdown, will also activate ESD level 2 if necessary. This level can only be activated from the main control room. ESD level 2: This level shuts down and isolates individual ESD zones and may activate if necessary EDP.
IEC 61000-4-2 is the International Electrotechnical Commission's immunity standard on electrostatic discharge (ESD). The publication is one of the basic EMC standards of the IEC 61000–4 series. The European equivalent of the standard is called EN 61000-4-2. The current version of the IEC standard is the second edition dated 2008-12-09. [1]
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Electrostatic discharge (ESD) is a sudden and momentary flow of electric current between two differently-charged objects when brought close together or when the dielectric between them breaks down, often creating a visible spark associated with the static electricity between the objects.
Conductive ESD bag with a network card inside ESD shoes. Electrostatic discharge materials (ESD materials) are plastics that reduce static electricity to protect against damage to electrostatic-sensitive devices (ESD) or to prevent the accidental ignition of flammable liquids or gases.
Employees entitled to notice under the WARN Act include managers and supervisors, hourly wage, and salaried workers. The WARN Act requires that notice also be given to employees' representatives (e.g., a labor union), the local chief elected official (e.g. the mayor), and the state dislocated worker unit. The advance notice is intended to give ...
In functional safety a safety instrumented system (SIS) is an engineered set of hardware and software controls which provides a protection layer that shuts down a chemical, nuclear, electrical, or mechanical system, or part of it, if a hazardous condition is detected. [1]