IC basics Flashcards
What is a class 2 IC system?
- energized when the ship is preparing to get underway/while underway
- combined with class 1 are essential to satisfactory to ship control.
What is a class 1 IC system?
- energized at all times
- essential to the safety of the ship/personnel
What is class 3 IC systems?
- energized during condition watches/operations
- combined with class 1/2 and are essential to interior control
What is a class 4 IC system?
Only energized when required
Readiness classification on IC switchboard plates?
Class 1: yellow
Class 2: black
Class 3: red
Class 4: white
What alarm color is for the general alarm?
Red
What alarm color is for the chemical alarm?
Green
What alarm color is for the sonar alarm?
Yellow
What alarm color is for the collision alarm?
Yellow
What alarm color is for the power plant alarm?
White
What alarm color is for the missile jettison alarm?
Blue
What alarm color is for the missile emergency?
Orange
IC switchboard power distribution
60 hz, 120v, 3-phase/single phase
400 hz, 120v, 3-phase
DC, 28/50
IC switchboard are used for?
Energized interior communication systems
Types of fuses in the IC switchboard
F03a/b- plastic or ceramic with silver plated ferrules
F03A
Has instantaneous blow characteristics
F03B
Has time delay characteristics
Types of telephone equipment installed
- sound powered
- dial telephones
- IVCS
- misc equipment