Glossary Of Terms I

Question 1

Ampacity

Answer 1

The current capacity of an electrical circuit expressed in amperes

Question 2

Armored Cable (BX Cable)

Answer 2

An indoor rated flexible electrical cable

Question 3

Bus

Answer 3

An un-insulated conductor bar or wire

Question 4

Circuit

Answer 4

An electrical wire installed which permits electrical flow from an energy source

Question 5

Circuit Breaker

Answer 5

A switch which is opened automatically when the current exceeds or falls below a predetermined value.

Question 6

Conduit

Answer 6

A circular, pipe like channel for holding and protecting conductors and cables, made of metal or an insulating material

Question 7

Electro-Mechanical Tubing (EMT)

Answer 7

Thin walled galvanized conduit tubing using special connectors for electrical applications

Question 8

Fused Disconnect

Answer 8

Single electrical enclosure switch containing a knife like switch blade and fuse for each hot leg of electrical service for the individual disconnect of equipment

Question 9

Ground Fault

Answer 9

An electrical device in failure mode that resulted in an unintended contact from a current carrying wire to ground

Question 10

Ground Wire

Answer 10

An electrical wire that will safely conduct electricity from a structure to ground