10-6. A law enforcement officer has taken the following readings with her sound level meter. Is the noise source a predominantly low- or middle-frequency emitter? Readings: 80 dBA, 84 dBB, and 90 dBC. Answer: Predominantly low frequency

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Electrical Plans

An electrical plan is also known as an electrical drawing or a wiring diagram. It is a kind of visual representation which bears the blueprint symbols of all the electrical components in electrical house plans or various building construction projects. In other words, electrical plans describe electrical circuits and systems that build up the electrical house plans or building plans. An electrical engineer who works on various construction projects creates an electrical drawing. The engineer outlines the electric planning with different symbols and lines forming a detailed electrical circuit. These drawings are a means of representation for the clients, who will carry out the actual wiring process. In a nutshell, an electrical plan showcases the circuitry with the proper placement of electric components.