Electrical Wiring

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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


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