5. Supplemental Plan Drawings Flashcards
What is an ampere?
A measurement of electrical current flow. Referred to by its abbreviation amp or amps.
What is a “box” in electricity?
A box is equipped with clamps, used to terminate a conduit. Also known as electrical boxes or outlet box. Connections are made in the box, and a variety of covers area available for finish electrical. A premanufactured box or casing is installed during electrical rough-in to house the switches, outlets, and fixture mounting.
What is a breaker?
An electric safety switch that automatically opens a circuit when excessive amperage occurs. Also referred to as a “circuit breaker”
What is a circuit?
The various conductors, connections, and devices found in the path of electrical flow from the source through the components and back to the source.
What is a conductor?
A material that permits the free motion of elctricit. Copper is a common conductor.
What is a conduit?
A metal or fiber pipe or tube used to enclose or more electrical conductors.
What is the installation of wiring referred to?
Rough in
What does “Dried-In” refer to?
Installing the roof or otherwise making the building dry.
What is “Ground” in electricity?
An electrical connection to the earth by means of a roof.
What is the “Junction Box”?
A box that protects electrical wiring splices in conductors or joints in runs. The box has a removable cover for easy access.
What is a lighting outlet?
An electrical outlet that is intended for the direct connection of a lighting fixture.
What is a “Meter” in electricity?
An instrument used to measure electrical quantities. The electrical meter for a building is where the power enters and is monitored for the electrical utility.
What is the Meter Base?
The mounting base on which the electrical meter is attached. It contains all of the connections and clamps.
What is an outlet?
An electrical connector used to plug in devices. A duplex outlet, with two outlets, is the typical wall plug.
What is a switch leg?
The electrical conductor from a switch to the electrical device being controlled.
What is a temporary electrical service?
This service is provided during construction and is used for construction and electricity purposes. This service is installed on a temporary pole, which is placed near the permanent power pole or transformer. The temporay service has a meter base and meter, and usually two 20-ampere, 120-VAC, grounded, duplex outlets and one 50 ampere, four-wire, single phase, 240-VAC outlet mounted in a weatherproof enclosure.
What is a volt?
The unit of measure for electrical force.
What is a watt?
A unit measure of power.
What is a distribution panel?
Where the conductor from the meter base is connected to individual circuit breakers, which are connected to separate circuits for distribution to various locations throughout the structure. Also known as a panel.
Kitchen, bathroom, laundry, and outdoor circuits are required to be protected by what?
A GFCI (Ground Fault Circuit Interupter)
What is a GFCI (Ground Fault Circuit Interupter)
This trips a circuit breaker when there is any imbalance in the circuit breaker. The standard breaker conditoin is 0.0005-amp fault in 1/40 second.
Any fixture within 6’ of water is required to have what?
A GFCI
All exterior outlets must satisfy what two condtions?
They must be waterproof and GFCI
Duplex convenience outlets should be a minimum of how far apart?
12”
Duplex outlets should be no more than ___ from an opening?
6’
True or False. Each wall over 2’ in length should have an outlet.
True
Name three places that should have outlets?
Behind desks, in hallways, and near fireplaces.
How should duplex outlets be placed in kitchens?
Close together and installed where fixed and portable appliances are located for use.
Outlets are required every ___ of counter space.
4’ no more than 2’ from a corner, end of counter, or appliance.
True or False. Not every bathroom sink or makeup table needs a duplex outlet.
False. They all need one.
Each enclosed bath or laundry/utility room should have what?
An exhaust fan. Rooms with operable windows do not require fans, although fans are desirable despite this.
What areas require light in a bathroom?
Over the sink, a recessed waterproof light in the shower, and any other area that may need light like a bathtub.
Don’t forget to put lights in what two types of rooms?
Closets/Pantries, and stairways.
What should exterior lights illuminate?
Patios, walkways, driveways, decks, and other high use areas.
Computerized programming allows you to do what with your house?
It allows you to use a computer to set and monitor a variety of electrical circuits throughout your home, including security, sound, yard watering, cooking, heating/cooling, ventilating, and lighting. These automation systems are usually installed in the kitchen or in an office.
What did plumbing pipes used to be made out of and what are being ised now primarily.
They used to be copper and now they’re plastic (polybutylene).
What kind of pipe is used effectively in cold for cold water installations.
PVC pipe
Metal piping loses what?
Heat
What is CPVC and why is it better than copper pipes?
Corrosion resistant plastic piping retains water purity under extreme circumstances, it also lasts longer than copper.
What is steel pipe used for?
Used for large-distribution water piping.
What makes galvanized pipe?
Steel that is cleaned and dipped in a bath of molten zinc.
What main two types of pipe are used for natural gas?
Galvanized steel pipe coated black with varnish and corrugated stainless steel tubing (CSST).
True or False. Plumbing plans are generally required for residential plans.
False. Check with your local building codes.
What happens in a “Rough in” during plumbing?
Installation of the plumbing system before the fixtures.
What is the run?
A portion of pipe or fitting connection that continues in a straight line in the direction of flow in which it is connected.
What is a soil pipe?
A pipe that carries the discharge of water closets or other similar fixtures.
What is a “soil stack”?
A vertical pipe that extends one or more floors and carries discharge of water closets and other similar fixtures.
What is a “stack?”
A general term referring to any vertical pipe for soil waste or vent piping.
What is a trap?
A U-shaped pipe below plumbing fixtures that holds water to prevent odor and sewer gas from entering the fixture.
The size of water supply piping is based on what 5 conditions?
- Amount of water needed
- Supply pressure
- Pipe length
- Number of stories to be supplied
- Flow pressure needed at the farthest point from the source.
What is a cleanout?
A fitting with a removable plug that is placed in plumbing drainage pipe lines to allow access for cleaning out the pipe.
What is a drain?
Any pipe that carries wastewater in a building drainage system.
What is a fitting?
A standard pipe part such as a coupling, elbow, reducer, tee, or union; used for joining together two or more sections of pipe.
What is a hose bibb?
A faucet used to attach a hose.
What is a lavatory?
A fixture designed for washing hands and face, usually found in a bathroom.
What is the main?
The primary supply pipe, also called a water main or sewer main, depending on its purpose.
Plumbing systems contain what 5 elements?
- Water supply pipes
- Fixtures and fixture traps
- Soil, waste, and vent pipes
- Drain and sewer/septic
- Stormwater drainage
What is a plumbing wall?
Walls in a building where plumbing pipes are installed.
What is potable water?
Drinking water, free from impurities.
What is a riser (in plumbing)?
A water supply pipe that extends vertically one or more story to carry water to fixtures.
What is a valve?
A fitting that is used to control the flow of fluid or gas.
What is a vent pipe?
The pipe installed to ventilate the building drainage system and to prevent drawing liquid out of traps and stopping back pressure.
What is a waste pipe?
A pipe that carries only liquid waste free of fecal material.
What is a waste stack?
A vertical pipe that runs one or more floors and carries the discharge of fixtures other than water closets and similar fixtures.
What is a water closet?
A water-flushing plumbing fixture, such as a toilet, that is designed to receive and discharge human excrement. This term is sometimes used to mean the compartment where the fixture is located.
What is a water heater?
An appliance used for heating and storing hot water.
What is a water meter?
A device used to measure the amount of water that goes through the water service.
What is the water diistributing pipe?
A pipe that carries water from the service to the point of use.
What is water service?
The pipe from the water main or other supply to the water distributing pipes.
Who standardizes pipe threads?
The American National Standard taper pipe threads
What are the size of vent pipes based on?
The number of drainage fixture units that drain into the waste portion of the vent stack.
How are pipe threads identified?
By using a thread note.
Where do smoke detectors need to be installed?
- In every sleeping area
- In a hallway if one or more bedroom doors open from the hallway
- Install in any room that lies on the path between a sleeping area and the closest exterior door.
- Install on every level of your home.
(Don’t install close to a stove or near a steamy shower because of false triggering.)
Why would you use a 3 way switch?
If you’re at the top and bottom of the stairs. This is because both switches are connected to the same light setup but will need to be used at two different locations.
