[TowerTalk] Torroid choke construction. To wrap or not to wrap in tape

[David Gallatin via TowerTalk <towertalk@contesting.com>]

Hello all,I am about to construct a 12 turn on 2.4 od #31 choke from the 
cookbook using the described #14 THHN.  I have come across references to the 
possibility of voltage arcing through the insulation (rated at 600V) into the 
core and that perhaps wrapping a layer of electrical tape around the core is 
the ounce of prevention needed. Is this needed and/or advisable? Would the tape 
affect the choke values at all?  73,
David, AA9G

ex W5DCG and KC9EEV

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