Week 07: Types of Cable Installation in Electrical Network

___________________ construction consists of uninsulated conductors on insulators which are mounted on poles or structures.

• aerial cable

• open-wire

• above-ground conduits

• underground ducts

• cable ducts

According to Open-wire construction, the uninsulated conductors are a __________________________.

• safety place

• safety moment

• safety hazard

• safety area

• safety inspection

Aerial Cable consists of fully ____________________________ suspended above the ground.

• insulated conductors

• electrical conductors

• technical conductors

• biological conductors

• compound conductors

Aerial cables may be either self-supporting or _________________.

• filter-supported

• tensile-supported

• distance-supported

• messenger-supported

• feet-supported

Self-supporting cable is suitable for only relatively ______________________.

• feet distances

• mechanical distances

• range distances

• long distances

• short distances

Aerial cable that must span relatively large distances usually consists of ____________ conductors to reduce the weight of the cable assembly.

• copper

• iron

• silver

• aluminum

• gold

Cables used in underground conduits must be suitable for use in _________________ and protected against abrasion during installation.

• wet areas

• push areas

• final areas

• plastic areas

• fiber areas

According to Direct Burial, cables may be buried directly in the ____________ where permitted by codes and only in areas that are rarely disturbed.

• desk

• roof

• ground

• chair

• abyss

_____________________________ is used only when no other cable system can be used.

• open cable

• submarine cable

• ripper cable

• compound cable

• large cable

Submarine cable generally consists of a ____________ sheathed cable and is usually armored.

• nickel

• silver

• iron

• lead

• gold