Antenna Conductor Mounting Requirements

Antenna conductors for amateur transmitting stations attached to buildings shall be firmly mounted at least _____ in. clear of the surface of the building on nonabsorbent insulating supports.

a) 1
b) 2
c) 3
d) 4

See answer and applicable Code reference

The correct answer is: c) 3

Article 810 covers the installation requirements for radio and television equipment. As noted in Sec. 810.54, "Antenna conductors for transmitting stations, attached to buildings, shall be firmly mounted at least 3 in. clear of the surface of the building on nonabsorbent insulating supports, such as treated pins or brackets equipped with insulators having not less than 3-in. creepage and airgap distances. Lead-in conductors attached to buildings shall also comply with these requirements."

 

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