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2. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment and to prevent fire.

3. Isolated-phase bus - Wikipedia

   en.wikipedia.org/wiki/Isolated-phase_bus

   The cooling air is recirculated through a heat exchanger. Some items of switchgear, such as circuit breakers and isolating switches, are made in housings compatible with the isolated-phase bus. Accessories such as instrument transformers, surge arresters, and capacitors are also made in compatible housings.

4. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected.

5. Electrical busbar system - Wikipedia

   en.wikipedia.org/wiki/Electrical_busbar_system

   Enclosure comparison with normal wiring & with busbar system HRC Fuse switch disconnector and cylindrical fuse holders mounted on to a busbar. Electrical busbar systems [1] (sometimes simply referred to as busbar systems) are a modular approach to electrical wiring, where instead of a standard cable wiring to every single electrical device, the electrical devices are mounted onto an adapter ...

6. Disconnector - Wikipedia

   en.wikipedia.org/wiki/Disconnector

   Unlike load switches and circuit breakers, disconnectors lack a mechanism for suppression of electric arcs which occur when conductors carrying high currents are mechanically interrupted. Thus, they are off-load devices, with very low breaking capacity , intended to be opened only after the current has been interrupted by some other control device.

7. These 10 mattresses are on sale for Cyber Monday — but they ...

   www.aol.com/lifestyle/cyber-monday-mattress...

   Tuft & Needle mattresses are 20% off during Black Friday, while accessories (like pillows, mattress protectors, and sheets) are 15% off with the code MATTRESS15. $671 at Tuft & Needle Tempur-Pedic