Answered: 5. When should corner pull boxes be…

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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5. When should corner pull boxes be used in an installation?
A. At all 90 degree bends
B. At all bends less than 90 degrees
C. At all bends greater than 100 degrees
D. At all bends

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A pull box is indeed a conduit box or a condulet that is used to draw wires through. It can be composed of metal sheet, cast metal, or even a non-metallic substance. These boxes offer a method for pulling conductors over extended distances without putting an undue pressure on the insulation or wire. Longer runs of conductors can be pulled more frequently thanks to a pull box. It is employed for pulls that are either straight or turn once 90 degrees.

Available options for pulling & feeding conductors together into raceway system are provided by junction and pull boxes. They must be used in conduit runs if there are more bends between outlets than are allowed by the NEC.

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