Answered: 20.a. What's the primary disadvantage…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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20.a. What's the primary disadvantage of using copper conductors?
A. Durability
B. Cost
C. Availability
D. Weight
20.b. The NEC requires that each service-disconnecting means be suitable for
A. hazardous locations.
B. disconnecting the meter.
C. wet conditions.
D. the prevailing conditions

20.c. As a general rule, each building or structure is limited to a single service. What's an automatic exception
to this rule?
A. A second service deemed suitable for use
B. A second service having the proper markings
C. Emergency systems or fire pumps
D. Higher building occupancy

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