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Safety

RF exposure, grounding, electrical hazards, tower safety, and practical station safety rules.

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Representative Questions

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T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

T0B · 2026-2030 Question Pool · T0 - Safety
E0A05

What hazard is created by operating at microwave frequencies?

E0A · FCC Part 97.13
G0B06

Which of the following is covered by the National Electrical Code?

G0B · National Electrical Code
T0A09

What should be done to all external ground rods or earth connections?

T0A · 2026-2030 Question Pool · T0 - Safety
E0A01

What is the primary function of an external earth connection or ground rod?

E0A · FCC Part 97.13
E0A02

When evaluating RF exposure levels from your station at a neighbor’s home, what must you do?

E0A · FCC Part 97.13
E0A03

Over what range of frequencies are the FCC human body RF exposure limits most restrictive?

E0A · FCC Part 97.13
E0A06

Why are there separate electric (E) and magnetic (H) MPE limits at frequencies below 300 MHz?

E0A · FCC Part 97.13
E0A08

What does SAR measure?

E0A · FCC Part 97.13
E0A09

Which of the following types of equipment are exempt from RF exposure evaluations?

E0A · FCC Part 97.13
E0A10

When must an RF exposure evaluation be performed on an amateur station operating on 80 meters?

E0A · FCC Part 97.13
E0A12

Where should a shock-absorbing lanyard be attached to a tower when working above ground?

E0A · FCC Part 97.13
G0A01

What is one way that RF energy can affect human body tissue?

G0A · FCC Part 97.13
G0A02

Which of the following is used to determine RF exposure from a transmitted signal?

G0A · FCC Part 97.13
G0A03

How can you determine that your station complies with FCC RF exposure regulations?

G0A · FCC Part 97.13, FCC OET Bulletin 65
G0A04

What does “time averaging” mean when evaluating RF radiation exposure?

G0A · FCC Part 97.13, FCC OET Bulletin 65
G0A05

What must you do if an evaluation of your station shows that the RF energy radiated by your station exceeds permissible limits for possible human absorption?

G0A · FCC Part 97.13
G0A06

What must you do if your station fails to meet the FCC RF exposure exemption criteria?

G0A · FCC Part 97.13, FCC OET Bulletin 65