Filter: A selective network of resistors, inductors, or capacitors which offers comparatively little opposition to certain frequencies, while blocking or attenuating other frequencies.
Ground: A point in an electrical system that has zero voltage. Usually, the chassis of an electrical component is at ground potential and thus serves as the return path for signals as well as for power circuits.
Hertz (Hz): A unit of frequency equal to one cycle per second.
Joule Rating: A measurement of how much surge can be absorbed by a surge suppressor device. The higher the joule rating, the more surge it can absorb.
Peak Current: The maximum current which flows during a complete cycle without permanent change in breakdown ratings or published life specifications.
Power: The energy dissipated into an electrical or electronic circuit or component that is conducting either AC or DC. Electrical energy developed to do “work” such as the voltage from an amplifier used to drive a speaker.
Power Line: Two or more wires conducting electric power from one location to another.
Radio Frequency Interference: Any electrical signal capable of being propagated into and interfering with the proper operation of electrical or electronic equipment. The frequency range of such interference may be taken to include the entire electromagnetic spectrum.
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