Safety devices that stop the flow of electric current in an overloaded circuit
•Fuses and Circuit Breakers
System of pipes used to carry water into the home as well as water and waste materials out of the home
Plumbing
What is one material pipes can be made of?
(multiple teams can answer)
•Copper
•Brass
•Iron
•Steel
•Plastic
What are two things a subcontractor may do?
•Bricklayers
•Electricians
•Drywall installers
•Carpenters
•Heating and cooling specialists
•Plumbers
•Paintings
•Floor covering installers
What is one of the two main types of air conditioners?
•Room air conditioners
•Central air-conditioning systems
What is a Ground Wire?
An electrical conductor that is connected to the earth
Why do we have shutoff valves?
To be able to turn off part of the water systems for repairs
Why are plastic pipes becoming more common?
•Resists rust and corrosion
•Economical to install
•Plumbers can bend plastic pipes between wall studs, floor joists, and other obstructions
faster and easier to install than metal pipes
What are the two ways electric power can be sent to homes?
network of overhead wires and underground cables
What is an exhaust ventilation solution in a kitchen?
•Range hoods
•Ceiling or wall fans that vent heat, smoke, moisture, and odors outside
What is Recovery Rate?
•Indicates the average amount of water that will be heated in the tank in one hour
What are the two ways water is supplied to homes?
Flows by gravity
Pumped through service pipes
Characteristics of Stainless Steel
•Durable
•Rust resistant
•Satin finish is usually used to hide water spots
•Compared to other types
•Easy to install
•Lighter in weight
What does the number of circuits depend on?
•The lighting systems
•The number of electric receptacles (Outlets) needed
•The number and types of appliances to be used
What does ventilation do? List at least two things
•Odors
•Stale air
•Indoor pollution levels
device that controls the distribution of electricity to the home wiring system
•Panel box-
What are the two ways that sewage can be disposed of if not part of a public system?
Cesspool and Septic Tank
Characteristics of Porcelain Enamel
•Comes in colors to fit any decorating scheme
•Easy to clean
•Can chip and become permanently stained by some substances
•Scouring powder and drainpipe cleaner shouldn’t be used on porcelain
What happens to a fuse when a circuit becomes overloaded?
It melts and must be replaced
What climates are whole-house fans most effective in?
•Warm days
•Cool nights
•Low humidity
Receptacles that guard people against electrical shock
•Ground Fault Circuit Interrupters (GFCIs)
What are the two types of water heaters?
Storage, on-demand
Characteristics of Acrylic
•Good finish that is easy to clean
•Can scratch
•Color can fade
•Its light so it’s a good material for larger fixtures
•Adding fiberglass makes the surface less likely to chip or crack
For plugs with three prongs what is the purpose of the third rounded prong?
•serves as a ground connection
What does a whole house ventilation system consist of? (4 things)
•A fresh air inlet to bring in outside air
•Ducts to distribute air
•Exhaust fans to remove the stale air
•Timer to control the system cycle