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Electrical equipment in hazardous areas

Index Electrical equipment in hazardous areas

In electrical engineering, hazardous locations (sometimes abbreviated to HazLoc, pronounced Haz·Lōk) are defined as places where fire or explosion hazards may exist due to flammable gases, flammable liquid–produced vapors, combustible liquid–produced vapors, combustible dusts, or ignitable fibers/flyings present in the air in quantities sufficient to produce explosive or ignitable mixtures. [1]

57 relations: Acetylene, Aerosol spray, American Petroleum Institute, Arc flash, ATEX directive, Baseefa, Canadian Electrical Code, Carbon disulfide, CE marking, Celsius, Chemical industry, Chemical plant, Coal mining, CompEx, Construction, CSA Group, Dust, Electric arc, Electrical conduit, Electrical engineering, Ethylene, Fieldbus, Firedamp, Flammability limit, Flour, FM Global, Galvanic isolation, Grain, Grounding kit, Hydrogen, Inductance, International Electrotechnical Commission, Intertek, Intrinsic safety, IP Code, Light switch, Maximum Experimental Safe Gap, Methane, Mineral-insulated copper-clad cable, Naphtha, National Electrical Code, National Fire Protection Association, Nationally Recognized Testing Laboratory, Notified Body, Occupational Safety and Health Administration, Oil refinery, Opto-isolator, Pressure piling, Propane, Refining, ..., Safety data sheet, Sira (notified body), Sugar, Switchgear, Tea, UL (safety organization), Wood. Expand index (7 more) »

Acetylene

Acetylene (systematic name: ethyne) is the chemical compound with the formula C2H2.

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Aerosol spray

Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles.

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American Petroleum Institute

The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.

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Arc flash

An arc flash (also called a flashover), is the light and heat produced as part of an arc fault, a type of electrical explosion or discharge that results from a low-impedance connection through air to ground or another voltage phase in an electrical system.

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ATEX directive

The ATEX directive consists of two EU directives describing what equipment and work space is allowed in an environment with an explosive atmosphere.

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Baseefa

Baseefa ("British Approval Service for Electrical Equipment in Flammable Atmospheres") is a British certification body for equipment intended for use in potentially explosive atmospheres.

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Canadian Electrical Code

The Canadian Electrical Code, CE code, or CSA C22.1 is a standard published by the Canadian Standards Association pertaining to the installation and maintenance of electrical equipment in Canada.

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Carbon disulfide

Carbon disulfide is a colorless volatile liquid with the formula CS2.

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CE marking

CE marking is a certification mark that indicates conformity with health, safety, and environmental protection standards for products sold within the European Economic Area (EEA).

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Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

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Chemical industry

The chemical industry comprises the companies that produce industrial chemicals.

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Chemical plant

A chemical plant is an industrial process plant that manufactures (or otherwise processes) chemicals, usually on a large scale.

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Coal mining

Coal mining is the process of extracting coal from the ground.

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CompEx

CompEx (meaning Competency in Ex atmospheres) is a global certification scheme for electrical and mechanical craftspersons and designers working in potentially explosive atmospheres.

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Construction

Construction is the process of constructing a building or infrastructure.

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CSA Group

The CSA Group (formerly the Canadian Standards Association; CSA), is a standards organization which develops standards in 57 areas.

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Dust

Dust are fine particles of matter.

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Electric arc

An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.

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Electrical conduit

An electrical conduit is a tube used to protect and route electrical wiring in a building or structure.

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Electrical engineering

Electrical engineering is a professional engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.

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Ethylene

Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or H2C.

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Fieldbus

Fieldbus is the name of a family of industrial computer network protocols used for real-time distributed control, standardized as IEC 61158.

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Firedamp

Firedamp is flammable gas found in coal mines.

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Flammability limit

Mixtures of dispersed combustible materials (such as gaseous or vaporised fuels, and some dusts) and air will burn only if the fuel concentration lies within well-defined lower and upper bounds determined experimentally, referred to as flammability limits or explosive limits.

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Flour

Flour is a powder made by grinding raw grains or roots and used to make many different foods.

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FM Global

FM Global is a mutual insurance company based in Johnston, Rhode Island, United States, with offices worldwide, that specializes in loss prevention services primarily to large corporations throughout the world in the Highly Protected Risk (HPR) property insurance market sector.

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Galvanic isolation

Galvanic isolation is a principle of isolating functional sections of electrical systems to prevent current flow; no direct conduction path is permitted.

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Grain

A grain is a small, hard, dry seed, with or without an attached hull or fruit layer, harvested for human or animal consumption.

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Grounding kit

A grounding kit / earthing kit can be described as a kind of lightning protector which avoids lightning punctures on cables.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Inductance

In electromagnetism and electronics, inductance is the property of an electrical conductor by which a change in electric current through it induces an electromotive force (voltage) in the conductor.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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Intertek

Intertek Group plc is a multinational inspection, product testing and certification company headquartered in London, United Kingdom.

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Intrinsic safety

Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition.

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IP Code

The IP Code, International Protection Marking, IEC standard 60529, sometimes interpreted as Ingress Protection Marking, classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures.

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Light switch

In electrical wiring, a light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.

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Maximum Experimental Safe Gap

Maximum Experimental Safe Gap (MESG) is a standardized measurement of how easily a gas flame will pass through a narrow gap bordered by heat-absorbing metal.

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Methane

Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).

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Mineral-insulated copper-clad cable

Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder.

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Naphtha

Naphtha is a flammable liquid hydrocarbon mixture.

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National Electrical Code

The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States.

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National Fire Protection Association

The National Fire Protection Association (NFPA) is a United States trade association, albeit with some international members, that creates and maintains private, copyrighted standards and codes for usage and adoption by local governments.

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Nationally Recognized Testing Laboratory

Nationally Recognized Testing Laboratory is the term used by the United States Occupational Safety and Health Administration to identify third-party organizations that have the necessary qualifications to perform safety testing and certification of products covered within OSHA and each organization's scopes.

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Notified Body

A notified body, in the European Union, is an entity that has been accredited by a Member State to assess whether a product to be placed on the market meets certain preordained standards.

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Occupational Safety and Health Administration

The Occupational Safety and Health Administration (OSHA) is an agency of the United States Department of Labor.

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Oil refinery

Oil refinery or petroleum refinery is an industrial process plant where crude oil is transformed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene, liquefied petroleum gas, jet fuel and fuel oils.

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Opto-isolator

In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light.

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Pressure piling

Pressure piling describes phenomena related to combustion of gases in a tube or long vessel.

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Propane

Propane is a three-carbon alkane with the molecular formula C3H8.

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Refining

Refining (also perhaps called by the mathematical term affining) is the process of purification of a (1) substance or a (2) form.

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Safety data sheet

A safety data sheet (SDS), material safety data sheet (MSDS), or product safety data sheet (PSDS) is an important component of product stewardship, occupational safety and health, and spill-handling procedures.

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Sira (notified body)

Sira is a UK-based notified body, specialising in ATEX, IECEX and North American product approvals.

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Sugar

Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food.

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Switchgear

In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.

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Tea

Tea is an aromatic beverage commonly prepared by pouring hot or boiling water over cured leaves of the Camellia sinensis, an evergreen shrub (bush) native to Asia.

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UL (safety organization)

UL is a global safety consulting and certification company headquartered in Northbrook, Illinois.

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Wood

Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants.

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Redirects here:

Area classification, EEHA, Electrical Equipment in Hazardous Areas, Explosion proof, Explosion-proof, HAZLOC, T2A.

References

[1] https://en.wikipedia.org/wiki/Electrical_equipment_in_hazardous_areas

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