Electrical phenomena — are commonplace and unusual events that can be observed which illuminate the principles of the physics of electricity and are explained by them.Electrical phenomena are a somewhat arbitrary division of electromagnetic phenomena.Some examples… … Wikipedia
Electrical wiring — in general refers to insulated conductors used to carry electricity, and associated devices. This article describes general aspects of electrical wiring as used to provide power in buildings and structures, commonly referred to as building wiring … Wikipedia
Electrical wiring (United States) — Electrical wiring in general refers to conductors used to carry electricity and their accessories. General aspects of electrical wiring as used to provide power in or to buildings and structures, commonly referred to as building wiring, are… … Wikipedia
Electrical conduction — is the movement of electrically charged particles through a transmission medium (electrical conductor). The movement of charge constitutes an electric current. The charge transport may result as a response to an electric field, or as a result of… … Wikipedia
Electrical tape — is a type of pressure sensitive tape used to insulate electrical wires and other material that conduct electricity. Itcan be made of many plastics, but vinyl is most popular; it stretches well and gives an effective and long lasting insulation.A… … Wikipedia
Electrical conduit — risers, seen inside fire resistance rated shaft, as seen entering bottom of a firestop. The firestop is made of firestop mortar on top, rockwool on the bottom. Raceways are used to protect cables from damage … Wikipedia
Electrical conductivity — or specific conductivity is a measure of a material s ability to conduct an electric current. When an electrical potential difference is placed across a conductor, its movable charges flow, giving rise to an electric current. The conductivity σ… … Wikipedia
Light therapy — Intervention Bright light therapy is a common treatment for seasonal affective disorder and for circadian rhythm disorders. ICD 10 PCS … Wikipedia
Light — (l[imac]t), n. [OE. light, liht, AS. le[ o]ht; akin to OS. lioht, D. & G. licht, OHG. lioht, Goth. liuha[thorn], Icel. lj[=o]s, L. lux light, lucere to shine, Gr. leyko s white, Skr. ruc to shine. [root]122. Cf. {Lucid}, {Lunar}, {Luminous},… … The Collaborative International Dictionary of English
Light ball — Light Light (l[imac]t), n. [OE. light, liht, AS. le[ o]ht; akin to OS. lioht, D. & G. licht, OHG. lioht, Goth. liuha[thorn], Icel. lj[=o]s, L. lux light, lucere to shine, Gr. leyko s white, Skr. ruc to shine. [root]122. Cf. {Lucid}, {Lunar},… … The Collaborative International Dictionary of English