Print Reading
This type of line shows a hidden object or feature behind another object on a blueprint.
What is a hidden line?
Three resistors 12 ohm, 26 ohm, and 29 ohm are connected in series have a total resistance of.
What is 67 ohms?
: These three letters stand for the electrical codebook used across the United States.
What is NEC?
(National Electrical Code)
The take up for a 1/2 thinwall bender.
What is 5 inches?
The wire that leaves a single pole switch to the load is called a
what is a switch leg
Blueprints commonly use this ratio to show that the drawing is smaller than the real object.
What is scale?
This unit is used to measure electrical resistance.
What is an ohm?
This type of protection is required for receptacles in bathrooms, kitchens, and outdoor areas to help prevent shock.
What is GFCI protection?
The take up of a 3/4 inch thinwall bender.
What is 6"?
These two wires are typically the same color and are terminated on a three-way switch are called
What are travelers
This type of drawing shows how electrical components are connected in a system.
What is a schematic diagram?
This letter represents current (amperage) in Ohm’s Law formulas.
What is I?
The NEC is primarily concerned with this important goal when installing electrical systems.
What is safety?
This mark is use for back-to-back bends, not the arrow.
What is the star?
The order and color of three phase conductors is
What is black, red, and blue
This is the most commonly used residential blueprint by electricians.
What is a floor Plan?
If a circuit has 120 volts and 10 ohms of resistance, this is the amount of current flowing.
What is 12 amps?
According to the NEC, this must always be followed in addition to code requirements if it is stricter.
What are local codes or local authority requirements (AHJ requirements)?
The distance between marks on a conduit for a 27 inch offset bent at 45 degrees.
What is 54 inches?
The order and color of three phase 277 is
What is brown, orange, yellow. BOY
This line on a blueprint dissects an object and shows you the internal make up of an object.
What is a cutting plane line?
When resistance increases in a circuit with constant voltage, this electrical quantity decreases.
What is current (amperage)?
These three letters stand for the person or agency responsible for interpreting and enforcing the NEC.
What is the AHJ?
(Authority Having Jurisdiction)
This type of bend is used to go over large rectangular objects.
What is a four-bend saddle?
According to the NEC, a circuit breaker can only have a load that does not exceed this percentage of amperage
What is 80 %