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PTS - IC Lesson 23 Questions and Answers
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PTS - IC Lesson 23 Questions and Answers When the grounded conductor is to be spliced in a 12-inch by 12-inch junction box, there shall be at least ? of free conductor left for splicing. 6" (NEC 300.14) When an outlet supplied through an underfloor raceway is removed, the sections of the c...

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  • January 1, 2025
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • pts ic lesson 23 questions and answers
  • when the grounded conductor is to be spliced in a
  • when an outlet supplied through an underfloor race

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  • PTS
  • PTS

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PTS - IC Lesson 23 Questions and
Answers
When the grounded conductor is to be spliced in a 12-inch by 12-inch junction box,
there shall be at least ? of free conductor left for splicing. - answer 6" (NEC 300.14)

When an outlet supplied through an underfloor raceway is removed, the sections of the
circuit conductors supplying the outlet shall be removed from the raceway. - answer
True (NEC 390.57)

A 4,160-volt feeder is to be installed in a nonmetallic conduit identified for direct burial
without concrete encasement. The minimum covering for the nonmetallic conduit is ?. -
answer 18" (NEC 305.15, Table 305.15(A))

Type SE service-entrance cable shall be permitted where the insulated conductors are
used for circuit wiring and the uninsulated conductor is used only for equipment
grounding purposes. - answer True (NEC 338.10(B)(2))

The radius of a bend in Type MI cable with an overall diameter of 1/2 inch shall not be
less than five times the external diameter of the cable measured ?. - answer to the
inner edge of the bend (NEC 332.24, 332.24(1))

Metal-clad cable shall be supported at intervals not to exceed ?. - answer 6' (NEC
330.30(C))

Type MI cable is required to be strapped at intervals not exceeding ?. - answer 6'
(NEC 332.30, 332.30(A))

In an installation of Type NM cable, the 90°C conductor ampacity rating shall be
permitted to be used for ampacity adjustment and correction calculations, provided that
the final calculated ampacity does not exceed that for a 60°C-rated conductor. - answer
True (NEC 334.80)

Which Chapter 3 article provides general requirements for wiring methods and
materials? - answer Article 300

Which Chapter 3 article covers requirements for cabinets, cutout boxes, and meter
socket enclosures? - answer Article 312

Which Chapter 3 article covers the requirements for electrical metallic tubing? - answer
Article 358

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