Some people are smart enough to know not to reach inside Knepper. Don't get a 150-B. 73 Rob K5UJ On Mon, Apr 23, 2012 at 7:21 PM, David Knepper <collinsradio at comcast.net> wrote: > Sure, lift the cabinet lid and then accidentally touch the exposed plate > caps. Where are your interlocks or are they missing or shorted??