Electrical Wiring
Weather heads
Entry way for two hot conductors and one neutral entering the house prevents water from entering in
Green terminal screws on an outlet are ___________
Found on the same side of silver screws
Switches are always considered to be ________?
Hot
Black Romex Wire
Hot Conductor ( Power Company )
Service panel is found
In the basement
Locations for GFCI
Kitchen, Bathroom, Mudroom, Sump pump, exterior of house
If a white wire is hot it must have ________ or _________
Marked with black tape or black marker
White Wire
Returns to (PowerCompany /Earthen Ground)
14 in 14/2 Romex wire
Size of wire or diameter of wire (AWG )
The transformer on the utility pole
Steps down voltage to your house
White wire and black wire never_________
Touch or connected to each other
Ohms Law involves
Volts, amperage and resistance
Hydroelectric generation
Water in a dam falls through a tunnel onto a turbine
Service panel
What is the main circuit breaker box where all the household circuits connect to the incoming electrical supply line?
Three way switch
Will have three terminal screws with one of them as a black screw
Conduit
a metal or plastic pipe or channel through which wires are protected
Wires connected under a terminal screw must have ________% contact
At least 75 % contact
Power in and power out
Black screw on three way switch
Brass screws
Black wires are connected to brass screws
Turbines that spin are connected to___________?
Electrical generators
GFCI
Ground Fault Circuit Interrupter
Single pole switch
Will have two terminal screws and labelled On and Off
How many volts are equal to one kilovolt?
1,000 volts
Metal ground rod
10 foot metal rod used in grounding a lighting protection system
Each hot conductor entering your house
120 volts
14 /2 Romex wire can carry up to _______ amps
15 Amps
2 in 14/2 Romex wire
2 conductors not including ground wire
12 /2 Romex wire can carry up to _______ amps
20 Amps
Amount stripped of individual conductor
3/4 of an inch
10/2 Romex wire can carry up to _______ amps
30 Amps
Transformer
A device that increases or decreases the voltage of alternating current
Insulator
A material that does not allow heat or electrons to move through it easily.
Conductor
Allows electrons to move through it easily
AC
Alternating current
AWG
American Wire Gauge
DC
Direct current
Example of AC
Outlets found in your house
Ground
Protects people, equipment and appliances from undesired electical current
Function of conduit
Protects wire form being damages physically
Terminal Screw
One wire to each terminal screw
Examples of DC
Car battery
Wires are attached to a terminal screw in a ______________ rotation
Clockwise rotation
14/3 wire
Colors of conductors are black, white and red
NEC
National Electrical Code