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ELECTRICAL ASSEMBLIES (16 companies)
ELECTRICAL COMPONENTS (121 companies)
ELECTRICAL CONNECTORS (103 companies)
ELECTRICAL CONTRACTORS (566 companies)
ELECTRICAL ENCLOSURES (69 companies)
ELECTRICAL PANELS (35 companies)
ELECTRICAL PARTS (16 companies)
ELECTRICAL PRODUCTS (57 companies)
ELECTRICAL SUPPLIES (39 companies)
ELECTRICAL TERMINALS (10 companies)
BICYCLES - Electric (7 companies)
BRAKES - Electric (2 companies)
CABINETS - Electrical (9 companies)
CABLES - Electric (20 companies)
COILS - Electric (33 companies)
COILS - Electric Motor (12 companies)
CONDUIT - Electrical (18 companies)
CONTACTS - Electrical (19 companies)
CONTROLS - Electric (84 companies)
CORD - Electric (8 companies)
DRIVES - Electric (12 companies)
ELECTRIC BOXES (10 companies)
ELECTRIC COMPANIES (14 companies)
ELECTRIC CONVERTERS (12 companies)
ELECTRIC FUSES (4 companies)
ELECTRIC MOTORS (569 companies)
ELECTRIC SCOOTERS (4 companies)
ELECTRIC TRANSFORMERS (11 companies)
ENGINEERS - Electrical (24 companies)
FANS - Electric (5 companies)
GATES - Electric (11 companies)
GEARS - Electric (1 company)
GENERATORS - Electric (77 companies)
HEATERS - Electric (29 companies)
HOISTS - Electric (8 companies)
LAMPS - Electric (13 companies)
LOCKS - Electric (2 companies)
METERS - Electric (23 companies)
OVENS - Electric (1 company)
SHAVERS - Electric (2 companies)
SIGNS - Electric (437 companies)
SIGNS - Nonelectric (59 companies)
SOLAR ELECTRIC PANELS (57 companies)
SWITCHES - Electric (64 companies)
TAPES - Electrical (8 companies)
TIMERS - Electric (6 companies)
TOOLS - Electric (82 companies)
TOOLS - Electricians' (7 companies)
TUBING - Electrical (5 companies)
VEHICLES - Electric (21 companies)
WIRE - Electrical (24 companies)

Electrical

This area of engineering is in charge of dealing with studying and application of electricity, electromagnetism and electronics.In the following years, the recording and broadcasting media introduced electronics to people, and made it a part of an everyday life.The cost of electronics went drastically down when the transistors and integrated circuit were invented, which made the electronic items affordable for almost everyone.

As the technology evolved, so did the electrical engineering, and it became divided into many subfields. Electronics, telecommunications, digital computers, radio-frequency engineering, power engineering, signal processing, microelectronics, control systems, and instrumentation, are all areas of electrical engineering.

Usually, Electrical engineers have a masters degree in electronic or electrical engineering. In practice, engineers usually own professional certification and they can also be a part of a professional body, which include the Institution of Engineering and Technology, as well as the Institute of Electrical and Electronic Engineers. They can be employed in quite a wide range of industries, and the range of their skills is usually wide as well. For example, they can be skilled in basic circuit theory, but they can likewise possess the skills that are required for a project manager. Furthermore, the level of knowledge of the equipment, that electrical engineers can operate with, is very high, and they can usually work with a simple voltmeter, but they are also quite skilled in working with a high end analyzer or with a complicated manufacturing or design softwares.

History of electrical engineering

Many scientists and inventors have played an important role in the development of electronic and radio technology. In the 1850s, James Clerk Maxwell had proven the existence of connections between different forms of electromagnetic radiation,and that included the possibility of invisible waves that travel through the air, which are today known as radio waves. In 1888, Heinrich Hertz has performed an experiment that hasconfirmed Maxwell's theory. He has used a spark-gap transmitter, and detected radio waves with the use of simple electrical devices. Soon after, other scientists have experimented with radio waves, and have managed to create a transmitter and a detector of radio waves, and it was in 1901, when Guglielmo Marconi managed to successfully transmit the radio wave signals across the Atlantic, covering a distance of 2,100 miles.

It was in the year of 1897, when Karl Ferdinand Braun presented an oscilloscope, which contained the cathode ray tube, which was the turning point of the development of the technology that came up with the electronic television.

The diode was invented in 1904, by John Fleming, and only two years later, the triode was invented by Lee De Forest and Robert von Lieben.


In 1920 Albert Hull has invented the Magnetron, in 1920, which allowed Percy Spencer to invent the microwave oven in 1946. The Magnetron also allowed the British army to develop the world’s first radar, under the supervision of Dr Wimperis, in 1936.

It was Konrad Zuse, who managed to create, with the use of electromechanical parts, the first fully functional and programmable computer, called Z3, and it was presented in 1941.Only two years later, Tommy Flowers had presented the first fully functional, electronic, digital and programmable computer, and he named it Colossus. The era of computing began in 1946 with the presentation of the ENIAC, which was designed and built by John Mauchly and John Presper.It was this computer’s arithmetic performance that offered the engineers a chance to develop brand new technologies, which allowed the creation of the Apollo program that landed astronauts on the Moon.

As the technology evolved, so did the electrical engineering, and it became divided into many subfields. Electronics, telecommunications, digital computers, radio-frequency engineering, power engineering, signal processing, microelectronics, control systems, and instrumentation, are all areas of electrical engineering.

Usually, Electrical engineers have a masters degree in electronic or electrical engineering. In practice, engineers usually own professional certification and they can also be a part of a professional body, which include the Institution of Engineering and Technology, as well as the Institute of Electrical and Electronic Engineers. They can be employed in quite a wide range of industries, and the range of their skills is usually wide as well. For example, they can be skilled in basic circuit theory, but they can likewise possess the skills that are required for a project manager. Furthermore, the level of knowledge of the equipment, that electrical engineers can operate with, is very high, and they can usually work with a simple voltmeter, but they are also quite skilled in working with a high end analyzer or with a complicated manufacturing or design softwares.

History of electrical engineering

Many scientists and inventors have played an important role in the development of electronic and radio technology. In the 1850s, James Clerk Maxwell had proven the existence of connections between different forms of electromagnetic radiation,and that included the possibility of invisible waves that travel through the air, which are today known as radio waves. In 1888, Heinrich Hertz has performed an experiment that hasconfirmed Maxwell's theory. He has used a spark-gap transmitter, and detected radio waves with the use of simple electrical devices. Soon after, other scientists have experimented with radio waves, and have managed to create a transmitter and a detector of radio waves, and it was in 1901, when Guglielmo Marconi managed to successfully transmit the radio wave signals across the Atlantic, covering a distance of 2,100 miles.

It was in the year of 1897, when Karl Ferdinand Braun presented an oscilloscope, which contained the cathode ray tube, which was the turning point of the development of the technology that came up with the electronic television.

The diode was invented in 1904, by John Fleming, and only two years later, the triode was invented by Lee De Forest and Robert von Lieben.


In 1920 Albert Hull has invented the Magnetron, in 1920, which allowed Percy Spencer to invent the microwave oven in 1946. The Magnetron also allowed the British army to develop the world’s first radar, under the supervision of Dr Wimperis, in 1936.

It was Konrad Zuse, who managed to create, with the use of electromechanical parts, the first fully functional and programmable computer, called Z3, and it was presented in 1941.Only two years later, Tommy Flowers had presented the first fully functional, electronic, digital and programmable computer, and he named it Colossus. The era of computing began in 1946 with the presentation of the ENIAC, which was designed and built by John Mauchly and John Presper.It was this computer’s arithmetic performance that offered the engineers a chance to develop brand new technologies, which allowed the creation of the Apollo program that landed astronauts on the Moon.
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