YIELD ELECTRICAL ENGINEERING REVIEW || CIRCUIT ANALYSIS, ELECTRICAL
SYSTEMS & APPLIED THEORY || COMPLETE STUDY GUIDE || EXAM-READY TEST
BANK || GRADED A+
Set screw connector - CORRECT ANSWER - box fitting that relies on
pressure of a screw against conduit to hold it in place
Electrical Connections - CORRECT ANSWER - Soldering: 60% tin, 40%
lead, amount of tin determines strength
Tape: insulates up to 600 V
Wire nuts: hold wires together and has color codes to indicate conductors
Splice: twist
Grounding - CORRECT ANSWER - Provides a harmless, low-resistance path
for electricity to follow.
Single phase power - CORRECT ANSWER - permits the potential difference
to drop to zero with every change in the direction of current flow
circuit - CORRECT ANSWER - the complete path that an electric current
travels along
Three phase power - CORRECT ANSWER - a combination of 3 alternating
voltage wave forms, each displaced 120 electrical degrees (1/3 of a cycle) apart
Transformer - CORRECT ANSWER - A device that increases or decreases
the voltage of alternating current
, Current - CORRECT ANSWER - the flow of electrons
Generated Electricity - CORRECT ANSWER - Alternating current (AC)
created by power plant generators. Power plants create 3 phase AC
A junction box - CORRECT ANSWER - Box used to join several electrical
wires into a circuit
NM cable - CORRECT ANSWER - "romex" Non-metallic sheathed cable
knockout - CORRECT ANSWER - Round indentation punched into the metal
of a box and held in place by un punched narrow strips of metal
GFCI receptacle - CORRECT ANSWER - When an existing two-wire,
nongrounding-type receptacle is replaced in a location where the CODE
requires a GFCI receptacle, it is permitted to be replaced by a ...
RMC Conduit - CORRECT ANSWER - Rigid metal conduit, heavy duty.
Threaded connections
EMT Conduit - CORRECT ANSWER - Electrical metal tubing, very thin
walls
FMC Conduit - CORRECT ANSWER - Flexible metal conduit, wire is not
added until installation is complete
Insulator materials - CORRECT ANSWER - Rubber, plastic, air, glass, paper