Circuits
What provides the energy to move electrons through the circuit?
Power Source, battery, photocell
Placing a tag on a disconnect switch is called
Tagout
Lockout/Tagout is used to_____?
Prevent anyone from energizing the circuit while it is being worked on
What is the effect on the current in an open circuit?
Current will not flow!
What is the difference between the National Electric Code and International Electric Code organizations
The NEC is used in the US, the IEC is used internationally
Name the unit of measure for current flow
What is an Amp
Electrostatic discharge will never exceed 15,000 volts (T/F)
False
A device that mechanically interrupts the circuit if the current exceeds a set amount
What is a circuit breaker
A diagram that shows electrical components connected in a single line
What is a one-line drawing
A good conductor is one that has low resistance (T/F)
True, copper, aluminum, gold all have low resistance. Copper is most common conductor
Name the unit of measure for Energy to move electrons through a circuit
What is a Volt
A lock placed on a dfisconnect switch is called ?
Lockout
A drawing that resembles a ladder
What is a ladder diagram
What is the meaning of Class-1, Div-1
Hazardous environment, flammable gasses are assumed to be present in this area
All personal protective devices should be rated for the voltage that the wearer will be exposed to (T/F)
True, wearer must be aware of the voltages present.
What is the opposition to the flow of electrons
What is resistance
What is step-1 when working on any electrical circuit
Verify that the power is off
A device that interrupts the circuit by melting link
What is a fuse
Describe what a pictorial diagram is
Pictorial diagrams generally show an actual image of the electrical device and how the electrical components are connected.
A lockout tag is less important than a physical lock (T/F)
False. A lockout tag serves the same function as a physical lock!
A diagram that shows the physical arrangement of the electrical components
What is a wiring diagram
Maintenance personnel can safely handle PC boards if wearing rubber soled shoes (T/F)
False. Wrist grounding straps should be used to dissipate static charges
Decibel
What is a measure of sound intensity
What is the purpose of the NEC (National Electric Code)
Protect people and property from electrical hazards
If the power disconnect switch is located more than 100' from where the work is being performed, LOTO is not required (T/F)
False!! It is even more important that LOTO procedures be followed in these circumstances.