Spectrum Field Tech Exam 2025
Questions and Answers
Current/ amperage - ANSWER✔✔-Flow or movement of electric charges
Resistor - ANSWER✔✔-a passive two-terminal material that impedes the flow of current
What is the most common workplace hazard involving electricity? - ANSWER✔✔-Electrical shocks
What is minimum approach distance? - ANSWER✔✔-The shortest safe distance to keep from
energized conductors
CATV at the pole - ANSWER✔✔-40''
CATV at the mid-span - ANSWER✔✔-24''
CATV at the house - ANSWER✔✔-12''
Live parts of electric equipment must be guarded against at how many volts? - ANSWER✔✔-50
volts
What are the 2 kinds of grounds required by Safety standards for electrical systems? -
ANSWER✔✔-Service and Equipment
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, What are circuit protection devices designed to do? - ANSWER✔✔-Automatically limit or shift off
the flow of electricity in the event of a ground fault, overload, or short circuit in the wiring system
OSHA - ANSWER✔✔-Occupational Safety and Health Administration
CATV - ANSWER✔✔-Community Antenna Television
HFC - ANSWER✔✔-Hybrid Fiber Coax
What are the four sources of signals? - ANSWER✔✔-Satellite, local origination, off air, fiber optics
Forward - ANSWER✔✔-54 MHz-1 GHz
G.B. - ANSWER✔✔-Guard Band
Return - ANSWER✔✔-5-42 MHz
Downstream (forward path) - ANSWER✔✔-Forward signal from the headend to a customer
Upstream (reverse path) - ANSWER✔✔-Return signal from a customer to the headend
Signal frequency - ANSWER✔✔-Number of times that an RF signal completes a cycle from a
positive value to a negative value and back in one second
Ultrasonic frequencies are higher than what? - ANSWER✔✔-Audio
Infrasonic frequencies are below what? - ANSWER✔✔-Audio
How many hertz can the human ear hear? - ANSWER✔✔-20-20,000
Per NTSC requirements, what is a tv channels bandwidth? - ANSWER✔✔-6MHz
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
Questions and Answers
Current/ amperage - ANSWER✔✔-Flow or movement of electric charges
Resistor - ANSWER✔✔-a passive two-terminal material that impedes the flow of current
What is the most common workplace hazard involving electricity? - ANSWER✔✔-Electrical shocks
What is minimum approach distance? - ANSWER✔✔-The shortest safe distance to keep from
energized conductors
CATV at the pole - ANSWER✔✔-40''
CATV at the mid-span - ANSWER✔✔-24''
CATV at the house - ANSWER✔✔-12''
Live parts of electric equipment must be guarded against at how many volts? - ANSWER✔✔-50
volts
What are the 2 kinds of grounds required by Safety standards for electrical systems? -
ANSWER✔✔-Service and Equipment
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, What are circuit protection devices designed to do? - ANSWER✔✔-Automatically limit or shift off
the flow of electricity in the event of a ground fault, overload, or short circuit in the wiring system
OSHA - ANSWER✔✔-Occupational Safety and Health Administration
CATV - ANSWER✔✔-Community Antenna Television
HFC - ANSWER✔✔-Hybrid Fiber Coax
What are the four sources of signals? - ANSWER✔✔-Satellite, local origination, off air, fiber optics
Forward - ANSWER✔✔-54 MHz-1 GHz
G.B. - ANSWER✔✔-Guard Band
Return - ANSWER✔✔-5-42 MHz
Downstream (forward path) - ANSWER✔✔-Forward signal from the headend to a customer
Upstream (reverse path) - ANSWER✔✔-Return signal from a customer to the headend
Signal frequency - ANSWER✔✔-Number of times that an RF signal completes a cycle from a
positive value to a negative value and back in one second
Ultrasonic frequencies are higher than what? - ANSWER✔✔-Audio
Infrasonic frequencies are below what? - ANSWER✔✔-Audio
How many hertz can the human ear hear? - ANSWER✔✔-20-20,000
Per NTSC requirements, what is a tv channels bandwidth? - ANSWER✔✔-6MHz
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
