Don't Get Your Wires Crossed

15 Questions | By Vankirkad | Last updated: Mar 21, 2022 | Total Attempts: 60

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Test your wiring knowledge in this month's quiz. Do you know the proper procedures when it comes to handling wires and cables?

Questions and Answers

1.

When bending 8 conductor / 4 pair UTP cable the bend should not be less than ____ times the cable ____.
- A.
  
  4 / radius
- B.
  
  8 / diameter
- C.
  
  2 / circumference
- D.
  
  4 / diameter
- E.
  
  Makes no difference on UTP cable
2.

Nonconductive optical fiber cables shall be permitted to occupy the same cabinet, panel or similar enclosure of Class 1 circuits.
- A.
  
  True
- B.
  
  False
3.

When referring to cable terminations, the “RJ” designation means _____.
- A.
  
  Restricted Jack
- B.
  
  Registered Junction
- C.
  
  Registered Jack
- D.
  
  Revised Joint
4.

____ is a connector for high-speed Category 7 (S/FTP) cabling systems.
- A.
  
  GG45
- B.
  
  RJx45
- C.
  
  BP101
- D.
  
  RJ11
5.

According to the NEC, wires are measured in AWG and ____.
- A.
  
  Mils
- B.
  
  Kmils
- C.
  
  Kcmils
- D.
  
  Inches
6.

On an 8-pin jack, which colors are used for pair 2?
- A.
  
  Blue / White-Blue
- B.
  
  White-Brown / Brown
- C.
  
  White-Orange / Orange
- D.
  
  White-Green / Green
7.

Communications wires and cables shall be separated at least ____ from electric light or power conductors not in a raceway.
- A.
  
  2 inches
- B.
  
  4 inches
- C.
  
  3 feet
- D.
  
  7 meters
8.

According to Table C.1 of the NEC, the maximum number of conductors of type THHN, with a size of 12 AWG, permitted to be in a ¾ inch EMT conduit is _____.
- A.
  
  4
- B.
  
  7
- C.
  
  16
- D.
  
  24
9.

The "skin effect is _____.
- A.
  
  The “peeling” back of the outer layer of coax cable due to extreme temperatures
- B.
  
  The tendency of alternating current, as its frequency increases, to travel only on the surface of a conductor
- C.
  
  The irritation caused by handling untreated coaxial cable much like that of fiberglass insulation
- D.
  
  The method by which the skin of a coaxial cable is properly “stripped” and the center conductor is exposed
10.

A ____ has the following characteristics: 125-micron cladding diameter and increased bandwidth with a smaller size.
- A.
  
  Single-mode optical fiber
- B.
  
  Multimode 62.5-micron fiber
- C.
  
  Multimode 50-micron fiber
- D.
  
  Glass-encased optical fiber
11.

Which is a true statement?
- A.
  
  CMX cable shall be permitted to be used in place of CATVX.
- B.
  
  CATV cable shall be permitted to be used in place of CMP.
- C.
  
  CMG cable shall be permitted to be used in place of CMP.
- D.
  
  FPLR cable shall be permitted to be used in place of CMP.
12.

A fiber optic ____ connector has a 2.5mm ferrule tip with screw-on mechanism. It is keyed to prevent tip rotation and damage to the mated fiber. It is typically used for single-mode applications.
- A.
  
  ST
- B.
  
  FC
- C.
  
  SC
- D.
  
  LC
13.

The maximum spacing between supports permitted by the NEC for Rigid Polyvinyl Chlorid Conduit, trade size 1¼ - 2, is ____.
- A.
  
  12 inches
- B.
  
  3 feet
- C.
  
  5 feet
- D.
  
  7 feet
14.

The requirements of Section 300.22(A) of the 2014 NEC do not apply to conductive optical fiber cables in ducts used for dust, loose stock or vapor removal.
- A.
  
  True
- B.
  
  False