Home Electrical Breaker Panel Quiz
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Questions and Answers

Alternating current is also known as DC current.

False

The first power plant using alternating current came online in Niagara Falls, New York in 1894.

True

Most residential homes and server rooms have three-phase power.

False

AC voltage is not dangerous and cannot lead to loss of life or limb.

<p>False</p> Signup and view all the answers

Black wires are always hot and carry the power that keeps devices running

<p>True</p> Signup and view all the answers

White wires are used as hot wires and never as neutral wires

<p>False</p> Signup and view all the answers

Green or bare wires are used as ground wires to protect against electrocution

<p>True</p> Signup and view all the answers

Red wires are used as neutral wires in electrical circuits

<p>False</p> Signup and view all the answers

Yellow and blue wires are commonly used as travelers in more complicated circuits

<p>True</p> Signup and view all the answers

Modern Type NM cables with white sheathing indicate 14AWG conductors

<p>True</p> Signup and view all the answers

Type AC cable, commonly called BX, does not have a grounding conductor

<p>True</p> Signup and view all the answers

Color codes are sprayed onto cables with metal sheathing to indicate the current-carrying conductors

<p>True</p> Signup and view all the answers

It is safe to rely on a wire's color alone to determine if it is 'hot' or 'live'

<p>False</p> Signup and view all the answers

The grounding electrode is the item that actually makes contact with the earth

<p>True</p> Signup and view all the answers

The grounding electrode conductor connects the ground bar to the grounding electrode

<p>True</p> Signup and view all the answers

Bonding systems to the service is essentially the same as grounding to ground rods

<p>False</p> Signup and view all the answers

Main breakers shut off power to the bars running through the panel, and most new homes have 100 to 200 amp services.

<p>True</p> Signup and view all the answers

Circuit breakers prevent circuits from overloading and tripping is a safety feature required by code.

<p>True</p> Signup and view all the answers

Outlet circuits usually have 15 or 20 amp single pole breakers, prone to tripping due to overloads from high wattage devices.

<p>True</p> Signup and view all the answers

Lighting circuits typically have 15 amp single pole breakers and are less prone to overloading unless fixtures with auxiliary plugs are present.

<p>True</p> Signup and view all the answers

Room circuits may have 15 or 20 amp single pole breakers and may trip due to overloads, requiring identification of the causing item.

<p>True</p> Signup and view all the answers

Special circuits for appliances like furnaces or refrigerators have dedicated wiring and sized breakers.

<p>True</p> Signup and view all the answers

Heavy-duty appliances like ranges and dryers require 240 volt dedicated circuits with double pole breakers.

<p>True</p> Signup and view all the answers

Ground fault interrupter (GFCI) circuits, designed for wet environments, use 15 or 20 amp single pole breakers to prevent shocks.

<p>True</p> Signup and view all the answers

Newer homes are equipped with arc fault circuit interrupter (AFCI) breakers, which can sense and prevent arcing occurrences, but may trip easily.

<p>True</p> Signup and view all the answers

The main breaker panel is typically ranging from 50 to 200 amps.

<p>True</p> Signup and view all the answers

Breakers are also used to regulate power to devices, detect shock hazards, and prevent fires and injuries.

<p>True</p> Signup and view all the answers

Basic house wiring involves various types of electrical circuits and wiring configurations.

<p>True</p> Signup and view all the answers

Study Notes

Understanding Home Electrical Breaker Panels

  • The main breaker panel, also known as a 'load center' or 'distribution panel', is the central hub of a home's electrical system, typically ranging from 50 to 200 amps.
  • Main breakers shut off power to the bars running through the panel, and most new homes have 100 to 200 amp services.
  • Circuit breakers prevent circuits from overloading and tripping is a safety feature required by code.
  • Breakers are also used to regulate power to devices, detect shock hazards, and prevent fires and injuries.
  • Basic house wiring involves various types of electrical circuits and wiring configurations.
  • Outlet circuits usually have 15 or 20 amp single pole breakers, prone to tripping due to overloads from high wattage devices.
  • Lighting circuits typically have 15 amp single pole breakers and are less prone to overloading unless fixtures with auxiliary plugs are present.
  • Room circuits may have 15 or 20 amp single pole breakers and may trip due to overloads, requiring identification of the causing item.
  • Special circuits for appliances like furnaces or refrigerators have dedicated wiring and sized breakers.
  • Heavy-duty appliances like ranges and dryers require 240 volt dedicated circuits with double pole breakers.
  • Ground fault interrupter (GFCI) circuits, designed for wet environments, use 15 or 20 amp single pole breakers to prevent shocks.
  • Newer homes are equipped with arc fault circuit interrupter (AFCI) breakers, which can sense and prevent arcing occurrences, but may trip easily.

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Description

Test your knowledge of home electrical breaker panels with this quiz! Learn about main breaker panels, circuit breakers, outlet circuits, lighting circuits, room circuits, special circuits for appliances, GFCI circuits, and AFCI breakers. Understand the functions and uses of different types of breakers to ensure electrical safety in your home.

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