NMD90 conductor size, and the minimum and maximum rating of circuit breaker that can be used for the branch circuit for this dishwasher? Equipment and terminations are rated at 75 °C.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Branch Circuit Calculation Questions
1. A dishwasher is rated at 2400 W and 120 V, and is
considered a non-continuous load. What is the minimum
NMD90 conductor size, and the minimum and maximum
rating of circuit breaker that can be used for the branch
circuit for this dishwasher? Equipment and terminations are
rated at 75 °C.
2. A hot water tank in a dwelling unit is rated at 5200 W and
240 V. It takes the tank 1.5 – 2.5 hours to fully heat a tank
of water. What is the minimum NMD90 conductor size,
and the minimum and maximum rating of circuit breaker
that can be used for the branch circuit for this hot water
tank? Equipment and terminations are rated at 75 °C.
Transcribed Image Text:Branch Circuit Calculation Questions 1. A dishwasher is rated at 2400 W and 120 V, and is considered a non-continuous load. What is the minimum NMD90 conductor size, and the minimum and maximum rating of circuit breaker that can be used for the branch circuit for this dishwasher? Equipment and terminations are rated at 75 °C. 2. A hot water tank in a dwelling unit is rated at 5200 W and 240 V. It takes the tank 1.5 – 2.5 hours to fully heat a tank of water. What is the minimum NMD90 conductor size, and the minimum and maximum rating of circuit breaker that can be used for the branch circuit for this hot water tank? Equipment and terminations are rated at 75 °C.
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