What organization oversees the allocation of all communication frequencies in the U.S.?
What device combines the circuitry of a transmitter and receiver in one box?
Transceiver
Is it illegal to possess an eagle's feather?
yes it is illegal. You could receive fines up to $100,000 for possession of an eagle feather
Compared to standard television systems, a CCTV system differs in that it _____?
is not publicly transmitted
What are the 5 main pieces of equipment in a CCTV system?
Camera, lens, transmission link, monitor, and recording device
How do passive infrared (PIR) sensors detect motion?
Measuring changes in temperature
True/False: A house hold fire alarm system can be installed in a commercial building?
False
Control panel
What is a canary known for?
Singing ability and early detection of hazards in coal mines.
What are the basic components of a basic wireless system?
Signal source, a transmitter and receiver, and 2 antennas
What 4 colors wires along with white are in a Cat5 cable?
True/False: Female hawks are larger than male hawks?
True
What 8-pin connector is used with a Cat5/Cat5e cable?
RJ-45
What is the primary goal of an effective fire alarm system?
Preservation of life
What device detects visible or invisible particles of combustion?
Smoke detectors
What color is a robin's egg?
Light blue
What is designed in a cable to prevent electromagnetic interference and reduce noise?
Shielding
According to the NEC, the term "Ground" means what?
Earth
Ultimately the speed, performance, and reliability of a network depends on the _____?
Amount of bandwidth
The NEC is made up of how many major categories or chapters?
9
What agency sponsors the NEC?
National Fire Protection Agency (NFPA)
What is the purpose of the NEC?
The practical safeguarding of persons and property from hazards arising from the use of electricity
Who enforces compliance with the code on all installations?
Authority Having Jurisdiction (AHJ)
What organization provides an independent product safety testing and compliance world wide?
Underwriters Laboratories (UL)
What color head does a male mallard duck have?
Green