[Elecraft] Running backwards
GWK
gkidder at ilstu.edu
Sat Apr 28 20:18:45 EDT 2018
Reminds me of my first chain saw - I bought a demo, already assembled,
and it didn't cut for beans! Finally noticed the chain was on backwards.
George, W3HBM
On 4/28/2018 8:08 PM, rich hurd WC3T wrote:
> At the risk of spinning this off topic, I am reminded of the lesson I
> learned years ago when I drilled a through hole through the foundation for
> our low voltage walkway wiring.
>
> I wondered at the efficacy of my brand new shiny Dewalt hammer drill
> because it was taking me freaking hours to go a few inches through the
> concrete. After a couple of these tortuous hours, I cursed and looked
> closely at the drill - and noticed that the direction switch was on
> "reverse". Attention to detail is important in any endeavor.
>
> On Sat, Apr 28, 2018 at 19:55 Don Wilhelm <donwilh at embarqmail.com> wrote:
>
>> Ted,
>>
>> The routing of the 240 volt wiring is a discussion between you and the
>> electrician - but there is always "a way" - even if that means drilling
>> through concrete (not nice, but possible).
>>
>> Unless the wiring route is short, take Jim Beown's (K9YC) advice about
>> conductor sizes. Large conductors are not required for the current
>> draw, but oversize wire will help reduce the voltage drop when current
>> is drawn.
>>
>> Putting all shack receptacles on a dedicated circuit for both 240 volts
>> and 120 volts AC will help a lot with received noise in your receiver,
>> and will isolate your shack powering from other circuits in the house.
>> K9YC gives good advice on this subject, even though your electrician may
>> consider it overkill for Jim's recommended wire size.
>>
>> 73,
>> Don W3FPR
>>
>> On 4/28/2018 2:08 PM, Dauer, Edward wrote:
>>> Placing both PS and amp where the 220 VAC outlet is accessible is
>> possible; but then I wouldn't be able to see the amp while operating, which
>> I would like to do. Wouldn't feel comfortable with a 1500 watt amp running
>> way out of sight. It would also then be in the kitchen on a floor above.
>> Not aesthetically the best that way, either.
>>>
>>> As I described in reply to one other suggestion:
>>>
>>> The "shack" is a spare bedroom in the lowest (of three) level of the
>> house, which because it is built into a hillside and therefore half of it
>> is below grade, has 12 inch concrete walls and a six inch (as I remember
>> it) concrete floor covered only with a carpet and carpet pad. The ceiling
>> of that room is finished as is the entire interior. The problem with
>> snaking a line through the walls from the distribution box which is on a
>> deck above ground level is that the entire space between the inside side of
>> the concrete and the drywall is filled with cellular foam insulation. It
>> was, when we had it built, the recommended way to go for the mountain
>> climate. I did think to have a conduit put through the wall to allow
>> antenna feedline coax to go through; but the electrician who was there said
>> there is now no way to get a 220 line through the walls without major
>> destruction. I might bring it overhead (between the finished ceiling of
>> the lower level and the floor of the next lev
>> el up) but then to get it down to a usable level in the "shack" would
>> require a conduit running down the inside wall surface. That may be what I
>> will have to do . . .
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