NCCER Ch 9 Review

NCCER Ch 9 Review

12th Grade

34 Qs

quiz-placeholder

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NCCER Ch 9 Review

NCCER Ch 9 Review

Assessment

Quiz

Physics

12th Grade

Hard

NGSS
MS-PS2-1, HS-PS2-6, HS-ETS1-3

+2

Standards-aligned

Created by

Kevon Kirton

Used 5+ times

FREE Resource

34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum size solid wire that should be terminated in pull boxes and disconnects is

No. 6

No. 8

No. 10

No. 12

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Compact stranding is used

when installing larger conduit sizes

when decreasing the ampacity of an existing service

with aluminum conductors

in corrosive environments

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ampacity ratings of conductors can be found in

NEC Chapter 1

NEC Articles 348 through 352

NEC Tables 310.16 through 310.21

NEC Chapter 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To determine the ampacity of copper conductors where conductors are used as a single conductor in free air at ambient temperatures of 30°C (86°F), use

NEC Table 310.16

NEC Table 310.17

NEC Table 310.18

NEC Table 310.19

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Polyethylene (PE) is used primarily for

the manufacture of TW and THW insulation

insulation of control and communication wiring

high-voltage cables

high-temperature insulation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A type of thermoset insulation is

RHW

THW

THHW

PVC

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What letter must be included in the marking of a conductor if it is to be used in a wet, outdoor application?

D

O

I

W

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