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In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.
A double-switched relay cannot close inadvertently with the application of the same current. At least two separate faults would be required to allow this relay to close inadvertently. Double switching , double cutting , or double breaking is the practice of using a multipole switch to close or open both the positive and negative sides of a DC ...
Introduced in 2006, the Buddy is the most popular scooter sold by Genuine and is sold in 240 of its dealerships throughout the country. [1] [2] It is manufactured by PGO Scooters of Taiwan, and is marketed in similar configurations as the Bubu in Taiwan, the Metro in Canada, and the Ligero in the United Kingdom. 2007 Genuine Buddy
A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the bit while drilling. The PCPD pump uses drilling fluid (commonly referred to as drilling mud, or just mud) to create eccentric motion in the power section of the motor which is transferred as ...
In the armature, an electromotive force is created by the relative motion of the armature and the field. When the machine or motor is used as a motor, this EMF opposes the armature current, and the armature converts electrical power to mechanical power in the form of torque, and transfers it via the shaft. When the machine is used as a ...
The Number Five Crossbar Switching System (5XB switch) is a telephone switch for telephone exchanges designed by Bell Labs and manufactured by Western Electric starting in 1947. It was used in the Bell System principally as a Class 5 telephone switch in the public switched telephone network (PSTN) until the early 1990s, when it was replaced ...
Bipolar toy motor of 1948. Note the three-pole rotor with a bipolar field. A bipolar electric motor is an electric motor with only two (hence bi-) poles to its stationary field. [1] They are an example of the simple brushed DC motor, with a commutator. This field may be generated by either a permanent magnet or a field coil.
In 1985, the special editions modified by Holden and their official after-market tuner, Peter Brock's HDT Special Vehicles, began introducing the 5.0 L; 304.3 cu in (4,987 cc) version of the engine, created to slip underneath the 5,000 cc (305 cu in) engine capacity cut-off in Group A touring car regulations, allowing Commodore competitors to ...