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Europe   Plugs:    =A   =B  =C   =D =E Sockets: =1    =2   =3   =4   =5  =6   =7  =8    =9   =10    Country  Voltage Cycles (Hz)  Plugs & Sockets     Albania 230 50 B   2 Andorra 230 50 B   4 Austria 230 …

Asia Plugs:    =A   =B  =C   =D =E Sockets: =1 =2 =3 =4 =5 =6 =7 =8  =9 =10  Country  Voltage Cycles (Hz)  Plugs & Sockets Afghanistan 220 50 E  10 Armenia 220 50 B   2 Azerbaijan 220 50 B   2 Bahrain 220 50 D   9 E    10 …

 Africa Plugs:    =A   =B  =C   =D =E Sockets: =1 =2 =3 =4 =5 =6 =7 =8  =9 =10  Country  Voltage Cycles (Hz)  Plugs & Sockets    Algeria 127/220 50 B   2 E    10 Angola 220 50 B   2 Benin 220 50 E   10 Botswana 220 50 D  …

EN 60529 outlines an international classification system for the sealing effectiveness of enclosures of electrical equipment against the intrusion into the equipment of foreign bodies (i.e. tools, dust, fingers) and moisture. This classification system utilizes the letters “IP” (“Ingress Protection”) …

Because solid-state lighting is a new technology, it will bring with it a number of new system-level attributes. These include programmability, small volume, ruggedness and immunity to vibration, compatibility with environmental extremes (cold and heat), and an enhanced efficiency in …

Color Quality of White LEDs   Color quality is one of the key challenges facing light-emitting diodes (LEDs) as a general light source. This paper reviews the basics regarding light and color and summarizes the most important color issues related …

What consumers should know about Solid State Lighting for general lighting applications? An introduction to Solid State Lighting Solid-state lighting (SSL) is the new lighting technology to emerge for many years: it uses semi-conducting materials to convert electricity into light. …

What is Inside an LED? LED’s are special diodes that emit light when connected in a circuit. They are frequently used as “pilot” lights in electronic appliances to indicate whether the circuit is closed or not. A a clear (or …

What is Light Emitting Diodes (LEDs)?   Example:       Circuit symbol:    Function LEDs emit light when an electric current passes through them.   Connecting and soldering LEDs must be connected the correct way round, the diagram may be labelled …

Solid State Lighting   Solid State Lighting (SSL) refers to a type of lighting that utilizes light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymer light-emitting diodes as sources of illumination rather than electrical filaments or gas. The term “solid …