Chapter 1
What is LOTO stand for and used for?
LOCK OUT TAG OUT (Safety)
What are the three parts of an atom?
protons, neutrons, and electrons.
True or False: A circuit is always closed.
False
What is ohms law?
E=IxR
What stays constant in a parallel circuit?
Voltage(v)
What fire extinguishers is used for putting out electrical fires?
Class C
What is the flow of electricity called?
Current(I)(amps)
What is a schematic?
A schematic shows the complete path that makes up a circuit and its related components.
What is electrical power measured in?
Watts(w)
What is the formula for finding total Resistance on a parallel circuit?
1/
1/r1+1/r2+1/r3
What is the NEC book?
National Electrical Code and is the standard that addresses electrical systems and safe installation.
Set to A(amps) and use the clamp.
What are the 3 components of a circuit?
power source, load, conductors
What us the formula for calculating electrical power?
P=IxE
True or False: The larger the AWG number the smaller the wire diameter?
TRUE
What does GFCI stand for?
Ground-fault circuit interrupter. Trips or opens the circuit when there is a current imbalance between hot and neutral.
What materials make up good conductors?
Copper, gold, and aluminum
True or False: You use the neutral to wire a one way switch.
False.
What stays constant in a series circuit?
Current(I)
What is the max standard temperature for HVAC applications in a conductor?
167F
True or False: Your multimeter has a limitation of 10,000Volts
FALSE
resistance (ohms)
What is the most common wire size for residential wiring?
14AWG
What is directional porportional in ohms law?
Voltage & Current
In a series circuit the last load (lightbulb) of the circuit will be the brightest.
FALSE because of voltage drop