That is what I've always done and got told I'm wrong LOL
On 1/9/24 7:17 AM, Brough Turner - netBlazr wrote:
"Ring, Ridge, Red, Right" was the equivalence in the days when
Telephone Operator Cord Boards had tip/ring/sleeve connectors on the
cords. So Ridge = Red.
Thanks
Brough
------------------------------------------------------------------------
*From:* AF <af-boun...@af.afmug.com> on behalf of Robert
<i...@avantwireless.com>
*Sent:* Monday, January 8, 2024 10:32 PM
*To:* af@af.afmug.com <af@af.afmug.com>
*Subject:* Re: [AFMUG] -48V kicking the dead horse
But what about Low voltage cable... Is smooth hot or cold or ridged hot
or cold? So many choices... LOL..
On 1/8/24 9:39 AM, dmmoff...@gmail.com wrote:
> I concur with the wire color problem.
>
> * My current employer pays big bucks to a low voltage guy who wires
up our
> sites. His work is absolutely beautiful. It's like friggin artwork.
> He uses black for return (+) and green for ground. Then since most
of our
> equipment has dual power supplies he uses red and blue for the "A"
hot and
> "B" hot. I assume his employer trained him that way for a reason
and that's
> probably common.
>
> * I was taught in childhood that red is positive, so that's what I have
> always done. I'm not philosophically opposed to the idea that red
is "hot",
> but that's just now how I learned it.
>
> *
https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fztlabels.com%2Fblogs%2Fnews%2Fdc-power-circuit-wiring-color-codes&data=05%7C02%7Cbrough%40netblazr.com%7C6c42b49a25dd404e07d908dc1099eb1a%7C06a97f73bf7b45a688f6a3a7bc5f56c7%7C0%7C0%7C638403500474986051%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=NwfihmgJY1P%2FJX8FZ9QQK%2Fbx95TQIV3AqoM5Wowvai0%3D&reserved=0
<https://ztlabels.com/blogs/news/dc-power-circuit-wiring-color-codes>
> This site advises that for 2-wire DC with positive ground is white for
> positive and black for negative. Someone apparently thinks that's
the right
> way. The same site points out that the only color called out
specifically
> in the NEC is green or green/yellow for ground. Everything else is
just the
> convention people landed on.
>
> Out in the wild you might see anything so there is and will always be a
> multi-meter in my everyday toolkit.
>
> -Adam
>
>
>
> -----Original Message-----
> From: AF <af-boun...@af.afmug.com> On Behalf Of Ken Hohhof
> Sent: Monday, January 08, 2024 12:01 PM
> To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com>
> Subject: Re: [AFMUG] -48V kicking the dead horse
>
> What I can never decide on is wire colors. Especially when using
red/black
> zipcord or tray cable. People expect red to be +, but they also expect
> black to be ground (except electricians who expect black to be hot
and white
> to be neutral and green or green/yellow to be ground). And how to
> differentiate battery wiring from load wiring. I have not found an
ideal
> solution other than labels.
>
> -----Original Message-----
> From: AF <af-boun...@af.afmug.com> On Behalf Of Bill Prince
> Sent: Monday, January 8, 2024 10:45 AM
> To: af@af.afmug.com
> Subject: Re: [AFMUG] -48V kicking the dead horse
>
> Yes. -48VDC means the negative side is hot, and the positive side is
ground
> (or return).
>
> You can mix +48VDC and -48VDC if you know what you're doing. It helps a
> bunch if the equipment floats logic ground. You need to check to see
if your
> equipment isolates logic from the supply voltage.
>
> Yes. Batteries can be grounded either way. They don't care.
>
> bp
> <part15sbs{at}gmail{dot}com>
>
> On 1/8/2024 8:25 AM, Mark - Myakka Technologies wrote:
>> I know we have been though this many times and I thought I
understood it.
>>
>> -48VDC is the Negative side being HOT, correct?
>>
>> It is BAD to try to mix -48VDC and 48VDC
>>
>> There is no such thing as a -48V battery. A battery is a battery,
> correct?
>> How about the ICT Platinum power supplies. They show as 48VDC, can
>> they
> be used on -48VDC equipment?
>> I remember Check saying something about a way to test to see if a
>> piece of
> equipment that is Neg 48VDC is truly grounded as Neg 48VDC.
>>
>> --
>>
>> Thanks,
>> Mark mailto:m...@mailmt.com <mailto:m...@mailmt.com>
>>
>> Myakka Communications
>>
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>>
>>
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