Section T0B Antenna safety: tower safety; erecting an antenna support; overhead power lines; installing an antenna
Terms in this set (12)
When should members of a tower work team wear a hard hat and safety glasses?
At all times when any work is being done on the tower
What is a good precaution to observe before climbing an antenna tower?
Put on a climbing harness and safety glasses
Under what circumstances is it safe to climb a tower without a helper or observer?
Which of the following is an important safety precaution to observe when putting up an antenna tower?
Look for and stay clear of any overhead electrical wires
What is the purpose of a gin pole?
To lift tower sections or antennas
What is the minimum safe distance from a power line to allow when installing an antenna?
So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
Which of the following is an important safety rule to remember when using a crank-up tower?
This type of tower must never be climbed unless it is in the fully retracted position
What is considered to be a proper grounding method for a tower?
Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
Why should you avoid attaching an antenna to a utility pole?
The antenna could contact high-voltage power wires
Which of the following is true concerning grounding conductors used for lightning protection?
Sharp bends must be avoided
Which of the following establishes grounding requirements for an amateur radio tower or antenna?
Local electrical codes
Which of the following is good practice when installing ground wires on a tower for lightning protection?
Ensure that connections are short and direct
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OTHER SETS BY THIS CREATOR
Section T0C RF hazards: radiation exposure; proximity to antennas; recognized safe power levels; exposure to others; radiation types; duty cycle
Section T0A Power circuits and hazards: hazardous voltages; fuses and circuit breakers; grounding; lightning protection; battery safety; electrical code compliance
Section T9B Feed lines: types of feed lines; attenuation vs. frequency; SWR concepts; matching; weather protection; choosing RF connectors and feed lines
Section T9A Antennas: vertical and horizontal polarization; concept of gain; common portable and mobile antennas; relationships between antenna length and frequency