[TowerTalk] Frost, conduit, and stuff

[Jim Lux]

On 11/12/14, 2:18 PM, Roger (K8RI) on TT wrote:
> My conduit tower runs (away from the house are only about a foot down.
> Frost line IIRC is 36"
> Photos near the bottom of the page.
> http://www.rogerhalstead.com/ham_files/cablebox.htm.  Heaving due to
> frost has never been a problem.  Codes do not apply as there is no power
> other than the low voltage to the rotator.

In general, technically not true, unless your local authority has 
exempted it.  Rotators are typically Class 2 low voltage, but there's 
plenty of electrical code to cover that.<grin>


   Locally, permits are not
> required for ham towers and stations.  Code does apply to electrical
> circuits with permits required for new circuits, both 120 and 240 which
> IIRC $25 for each breaker installed and must be inspected.