Problem solving 1. A building has 21 housing units. Each housing unit has the following circuit specification 1- 9 lighting units 2- 8 lighting units 3- 1 water heater 3000 watts 4- 7 convenience outlet ( two plugs per outlet) so total is 14 plugs 5- 9 convenience outlet ( two plugs per outlet) so total is 18 plugs compute the service entrance size and matching overcurrent device applying demand factor

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1. A building has 21 housing units. Each housing
unit has the following circuit specification
1- 9 lighting units
2- 8 lighting units
3- 1 water heater 3000 watts
4- 7 convenience outlet ( two plugs per outlet)
so total is 14 plugs
5- 9 convenience outlet ( two plugs per outlet) so
total is 18 plugs
compute the service entrance size and matching
overcurrent device applying demand factor
Transcribed Image Text:Problem solving 1. A building has 21 housing units. Each housing unit has the following circuit specification 1- 9 lighting units 2- 8 lighting units 3- 1 water heater 3000 watts 4- 7 convenience outlet ( two plugs per outlet) so total is 14 plugs 5- 9 convenience outlet ( two plugs per outlet) so total is 18 plugs compute the service entrance size and matching overcurrent device applying demand factor
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