For a street lighting system, having the following conditions : Street width = 15 m Mounting height = 7.5 m Lamp size = 6000 lumen Luminaire type = II Coefficient of utilization = 0.44 Maintenance factor = 0.8 What is the spacing between lighting units to produce average Lux = 6?

For a street lighting system, having the following conditions : Street width = 15 m Mounting height = 7.5 m Lamp size = 6000 lumen Luminaire type = II Coefficient of utilization = 0.44 Maintenance factor = 0.8 What is the spacing between lighting units to produce average Lux = 6?

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter14: Branch-circuit Installation

Section: Chapter Questions

Problem 12RQ

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Concept explainers

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.

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For a street lighting system, having the following conditions:
Street width = 15 m
Mounting height = 7.5 m
Lamp size = 6000 lumen
Luminaire type = II
Coefficient of utilization = 0.44
Maintenance factor = 0.8
What is the spacing between lighting units to produce average Lux = 6?

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