Plumbing supply
What 2 kinds of water would flow through supply lines?
Hot and cold water
What is the common pipe size for a toilet drain?
3in
What would happen to flowing water without ventilation?
Burping as it drains
Give a simplified explanation of when a GFCI would be used
around areas with water
What kind of current flows through homes.
AC or Alternating Current
What kind of supply pipe material is the most common in homes built today (double points for the full name)
PEX (Crosslinked polyethylene)
What does a water trap do for a plumbing system
Prevent smell and bacteria from entering the home.
What is the liquid fill for Vent pipes?
0%
what is the difference between a cable and Wire?
a cable is a collection of wires
What are the 3 parts of an electrical circuit?
Source, load, conductor
What are 2 common types for fitting for PEX?
Compression fitting (crimp fittings) and expansion fitting.
Which material is NOT approved for drain Pipes ABS PVC CPVC Greenberg Cast iron
Greenberg
How far up should vent pipes go through the house?
out through the roof
Name one of our Code systems for determining the number of outlets in a room (2x points for both)
BOCA and NFPA
What are Watts?
Volts x Amps
What is the common PSI rating for residential supply lines
40-55psi
What is the pressure that is being put on drainage pipes
0psi or no pressure.
If the drain pipe the vent is connected to is 2in wide, how close must the ventilation pipe be to the trap of that system?
3ft
what does 14/2 cable mean
14g with 2IC
What is a conductor
Allows electron flow.
What Temps must stored hot water be kept between?
115 deg and 125deg F
What is the Pitch over Run for a drain system?
1in over 4ft
If the drain pipe the vent is connected to is 3in wide, how close must the ventilation pipe be to the trap of that system?
1ft
how much wire needs to be exposed in an electrical box?
At least 6in
How many volts flow from the power company into your house?
240v