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A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure.
AFCIs are also known to be sensitive (false tripping) to the presence of radio frequency energy, especially within the so-called high frequency (HF) spectrum (3–30 MHz), which includes legitimate shortwave broadcasting, over-the-horizon aircraft and marine communications, amateur radio, and citizens band radio operations. Sensitivities and ...
Typical domestic panel circuit breakers are rated to interrupt 6 kA (6000 A) short-circuit current. Miniature circuit breakers used to protect control circuits or small appliances may not have sufficient interrupting capacity to use at a panel board; these circuit breakers are called "supplemental circuit protectors" to distinguish them from ...
An inverter suitable for use with a single solar panel. soldering The process of joining metals using a low melting point filler metal; a critical process in the assembly of most electronic devices. solenoid A coil of wire used to create a magnetic field; often a device with a ferromagnetic plunger that moves when the coil is energized. solid state
A time-delay fuse (also known as an anti-surge or slow-blow fuse) is designed to allow a current which is above the rated value of the fuse to flow for a short period of time without the fuse blowing. These types of fuse are used on equipment such as motors, which can draw larger than normal currents for up to several seconds while coming up to ...
The Lucas 1/4" diameter glass tube fuse have a different length as compared to the standard US item. The Lucas 1/4" diameter glass tube fuse is 1 + 5 ⁄ 32 in (29 mm) long, while the US standard 1/4" glass tube fuse is 1 + 1 ⁄ 4 in (32 mm)] long. However, many Lucas fuse holders permit the longer US version to be installed easily.
IEC 61023 Maritime navigation and radiocommunication equipment and systems – Marine speed and distance measuring equipment (SDME) – Performance requirements, methods of testing and required test results; IEC 61024 Protection of structures against lightning (Withdrawn, replaced by parts of IEC 62305) IEC 61025 Fault tree analysis (FTA)
NEMA 12 series devices are three wire, three-pole, non-grounding devices for 3-phase, 480-volt equipment. According to NEMA, this is "reserved for future configurations", so no designs for this series exist and no devices have been manufactured.