In this fast growing world, people always rush for one work or the other. They forget everything and drive in hurry and sometimes this end up in accidents. In order to avoid such accidents and for one's own safety there are many road safety ...
Tags: Road Safety Devices, Manufacturing&Processing Machinery
Tango, an all-in-one messaging app with more than 120 million members, of which almost half are based in North America, today launched a platform that stems from strategic partnerships with mobile application developers in the gaming ...
Tags: Tango, Entertainment
The sun shining into the house is a welcome change from the gray days of winter, but when it hits your lighting fixtures, do you cringe? If so, follow these cleaning tips from chandelier and lighting fixture maker Crystorama. Crystal ...
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. The circuit breaker is an absolutely essential device in the modern ...
Tags: Circuit Breakers, Voltage
Google is facing some tough questions from Congress over the privacy concerns raised by Glass, its fledgling augmented reality system for recording and receiving information on the fly. But on the ground at the company's I/O conference for ...
Tags: google, google glass, Computer Products
Garage doors are the largest moving part of your house. They need consistent maintenance in order to function quietly and properly. The following basic DIY garage door maintenance tasks can be performed as needed, or once every three ...
Tags: Garage Door, Maintenance Tips, Construction&Decoration
High-tech's leading advocate in the immigration bill fight, Sen. Orrin Hatch (R-Utah), has bought himself some time, perhaps until Tuesday, to try get the immigration bill changed to the liking of the tech industry. Negotiations are ...
Tags: Computer Products, H-1B Politics
All circuit breakers have common features in their operation, although details vary substantially depending on the voltage class, current rating and type of the circuit breaker. The circuit breaker must detect a fault condition; in ...
Tags: Circuit Breaker, Electrical
Circuit breakers are rated both by the normal current that they are expected to carry, and the maximum short-circuit current that they can safely interrupt. Under short-circuit conditions, a current many times greater than normal can ...
Miniature low-voltage circuit breakers use air alone to extinguish the arc. Larger ratings have metal plates or non-metallic arc chutes to divide and cool the arc. Magnetic blowout coils or permanent magnets deflect the arc into the arc ...
Tags: Arc Interruption, Circuit Breaker
1. Breakers for protections against earth faults too small to trip an over-current device: Residual-current device (RCD, formerly known as a residual current circuit breaker) — detects current imbalance, but does not provide ...
Tags: Breakers, Electronics
Electrical power transmission networks are protected and controlled by high-voltage breakers. The definition of high voltage varies but in power transmission work is usually thought to be 72.5 kV or higher, according to a recent definition ...
Tags: Circuit Breakers, High-Voltage
Magnetic circuit breakers use a solenoid (electromagnet) whose pulling force increases with the current. Certain designs utilize electromagnetic forces in addition to those of the solenoid. The circuit breaker contacts are held closed by a ...
Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line ups for indoor use, or may be individual components installed outdoors in a substation. Air-break circuit breakers replaced ...
Tags: Circuit Breakers, Medium-Voltage
When supplying a branch circuit with more than one live conductor, each live conductor must be protected by a breaker pole. To ensure that all live conductors are interrupted when any pole trips, a "common trip" breaker must be used. These ...
Tags: Common Trip Breakers, Electrical