Elecraft

Power Pole connectors

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Chris Hallinan

Power Pole connectors

Hi list,

I've noticed that almost every time I move my K3, it powers down. I
have little doubt it's the power pole connectors. I soldered them,
and I'm pretty good with a soldering iron. It seems to be plugged in
and fully seated. But why is it so fragile? I used the powerpole
connectors and contacts that came with my K3 kit.

Has anyone else notice this phenomenon? Any advice?

Thanks and 73,

Chris
K1AY

--
Life is like Linux - it never stands still.
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Don Wilhelm-4

Re: Power Pole connectors

Chris,

This subject does come up from time to time, and the most common cause
for weak APP connectors is due to improper assembly.
Look in the end of your APP connectors. If you can see the tip of the
spring that is supposed to lock the connection blades in place, you have
not properly latched the connection blades in place.
Push on the back of the connector blade until it latches over the end of
the spring. It may take a goodly amount of force.

Properly assembled APP connectors normally have sufficient pull-out
resistance for all but the most unusual forces.

73,
Don W3FPR

On 2/17/2015 9:58 AM, Chris Hallinan wrote:

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Rose

Re: Power Pole connectors

In reply to this post by Chris Hallinan

Chris,

Are you confident the PP''s are correctly assembled? When you inserted
them into the body did they "snap" or "click" into place? If so, it should
be impossible to pull the wire/brass connector out of the plastic body.

73

Ken - K0PP
On Feb 17, 2015 7:58 AM, "Chris Hallinan" <[hidden email]> wrote:

> Hi list,
>
> I've noticed that almost every time I move my K3, it powers down. I
> have little doubt it's the power pole connectors. I soldered them,
> and I'm pretty good with a soldering iron. It seems to be plugged in
> and fully seated. But why is it so fragile? I used the powerpole
> connectors and contacts that came with my K3 kit.
>
> Has anyone else notice this phenomenon? Any advice?
>
> Thanks and 73,
>
> Chris
> K1AY
>
> --
> Life is like Linux - it never stands still.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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> Message delivered to [hidden email]
>

M0XDF

Re: Power Pole connectors

In reply to this post by Chris Hallinan

PowerPoles are not fragile, when correctly assembled/soldered. I think there is an issue, either with your assembly to the lead or possibly with the units mounted on the PCB in the K3 (it has been known to be in the K3).

Although I crimp all mine (well worth getting the West Mountain Radio Deluxe crimp tool if your going to use a lot of APPs) I have to use a reasonable force to separate them. At least as much as you'd use to separate a molex (ignoring the clips of course). They will not separate by accident. The main issue with soldering is solder running out the 'pot' onto the blade and preventing a good wipe-fit when plugged together.

You can take the contact out of the housing to check it, but it requires a bit of care. You need a very small screwdriver (watch-makers), insert it under the blade at the front and lift, so the blade comes clear of the spring steel that is under the blade. Then pull the lead from the back and it should come apart with minor force.
See http://www.arrl.org/files/file/Public%20Service/TrainingModules/Technical/Anderson%20powerpole.pdf for instructions and good pics.

There is a tool available to do this (see Quicksilver Radio - http://qsradio.com/Powerpole%20Insertion%20Tool.jpg).

73 de David, M0XDF (K3 #174, P3 #108)
I'm not associated with Quicksilver other than being a very satisfied customer.

--
Always remember, half the people in the world are above average intelligence!

> On 17 Feb 2015, at 14:58, Chris Hallinan <[hidden email]> wrote:
>
> Hi list,
>
> I've noticed that almost every time I move my K3, it powers down. I
> have little doubt it's the power pole connectors. I soldered them,
> and I'm pretty good with a soldering iron. It seems to be plugged in
> and fully seated. But why is it so fragile? I used the powerpole
> connectors and contacts that came with my K3 kit.
>
> Has anyone else notice this phenomenon? Any advice?
>
> Thanks and 73,
>
> Chris
> K1AY

Elecraft mailing list

Re: Power Pole connectors

In reply to this post by Chris Hallinan

You are about to ignite a firestorm with a debate about the merits of
Powerpoles. IMHO, there are only two kinds of Powerpoles, those that
have already fallen out and those that are going to fall out soon.

Make double-plus certain you have the blades snapped into the shell
properly. Then put tape around the junction. Cross your fingers.

Buck
k4ia
K3# 101 KX3 #715

On 2/17/2015 9:58 AM, Chris Hallinan wrote:

Bill-3

Re: Power Pole connectors

In reply to this post by M0XDF

A couple of cable ties will work wonders in making up for the short
comings of Power Poles. Use them as strain relief.

Bill W2BLC K-Line

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k6dgw

Re: Power Pole connectors

In reply to this post by Don Wilhelm-4

When I retired, I began learning how to cook so I could make dinner a
couple nights each week. There are many web sites with recipes, I use
AllRecipes most of the time. It has a provision for people to rate the
recipes. For a recipe with 100 ratings, most will be high and comments
speak highly of it. Some of the comments will tell you the same recipe
is totally rotten and results in inedible food.

So it goes with APP's. This subject returns to the list periodically
just like a short-period comet. We should go into the list archive and
give each of the APP comments a code number. Then, when the comet
returns, we could save all those keystrokes by just using the number,
since the comments really never change.

My opinion on APP's is 34G: They work fine, I've never had a connection
dislodge. :-)

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 2/17/2015 7:09 AM, Don Wilhelm wrote:

> Chris,
>
> This subject does come up from time to time, and the most common cause
> for weak APP connectors is due to improper assembly.
> Look in the end of your APP connectors. If you can see the tip of the
> spring that is supposed to lock the connection blades in place, you have
> not properly latched the connection blades in place.
> Push on the back of the connector blade until it latches over the end of
> the spring. It may take a goodly amount of force.
>
> Properly assembled APP connectors normally have sufficient pull-out
> resistance for all but the most unusual forces.
>
> 73,
> Don W3FPR

Elecraft mailing list

Re: Power Pole connectors

In reply to this post by Chris Hallinan

I would suspect that the power pole got installed incorrectly

From: Chris Hallinan <[hidden email]>
To: "<[hidden email]>" <[hidden email]>
Sent: Tuesday, February 17, 2015 9:58 AM
Subject: [Elecraft] Power Pole connectors

Hi list,

I've noticed that almost every time I move my K3, it powers down. I
have little doubt it's the power pole connectors. I soldered them,
and I'm pretty good with a soldering iron. It seems to be plugged in
and fully seated. But why is it so fragile? I used the powerpole
connectors and contacts that came with my K3 kit.

Has anyone else notice this phenomenon? Any advice?

Thanks and 73,

Chris
K1AY

--
Life is like Linux - it never stands still.
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Elecraft mailing list

Re: Power Pole connectors

In reply to this post by Chris Hallinan

I've had occasional issues like yours. Usually I just replace them.
Sometimes, for reasons not readily apparent, they just do not lock
together well. Every piece of equipment I have gets power through
PowerPoles. I have 2 12-position distribution panels. Seems like the
PowerPoles could be improved with some type of locking mechanism when
they are panel mounted.
73, Doug -- K0DXV

On 2/17/15 7:58 AM, Chris Hallinan wrote:

Chris Hallinan

Re: Power Pole connectors

HAHA, I should have expected a "firestorm" of replies. Thanks for all
the input. I suspect that something went wrong with my installation,
and I will check it out. I did purchase the crimp tool but that was
after the experience of soldering the first set. I do recall that
they were difficult to insert into the plastic shell after soldering
because some solder leaked out around the contacts, and I had to
basically clean it off. I'll try re-installing the connector using
the crimp tool.

Maybe my opinion on these connectors can change... LOL

Thanks,

Chris
K1AY

On Tue, Feb 17, 2015 at 1:24 PM, Doug Person via Elecraft
<[hidden email]> wrote:

> I've had occasional issues like yours. Usually I just replace them.
> Sometimes, for reasons not readily apparent, they just do not lock together
> well. Every piece of equipment I have gets power through PowerPoles. I have
> 2 12-position distribution panels. Seems like the PowerPoles could be
> improved with some type of locking mechanism when they are panel mounted.
> 73, Doug -- K0DXV
>
> On 2/17/15 7:58 AM, Chris Hallinan wrote:
>>
>> Hi list,
>>
>> I've noticed that almost every time I move my K3, it powers down. I
>> have little doubt it's the power pole connectors. I soldered them,
>> and I'm pretty good with a soldering iron. It seems to be plugged in
>> and fully seated. But why is it so fragile? I used the powerpole
>> connectors and contacts that came with my K3 kit.
>>
>> Has anyone else notice this phenomenon? Any advice?
>>
>> Thanks and 73,
>>
>> Chris
>> K1AY
>>
>
> ______________________________________________________________
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--
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Jim Brown-10

Re: Power Pole connectors

On Tue,2/17/2015 10:41 AM, Chris Hallinan wrote:
> I do recall that
> they were difficult to insert into the plastic shell after soldering
> because some solder leaked out around the contacts, and I had to
> basically clean it off.

I've assembled hundreds of Power Pole connector sets -- they're on
everything in my station that runs on DC, and on all of the non-ham gear
powered by wall warts or other DC supplies. I've never seen a Power Pole
crimper -- all of mine are soldered.

I find them very easy to do, once you understand how they work. Inside
each plastic housing is a spring. The contacts have a sort of curled lip
that is intended to fit over that spring, which locks it in position.
The contact must be inserted so that the curl is in the right direction,
and it must be pushed all the way to the spring. Usually you will hear a
click when that happens.

For small diameter wire, I often must use a small screw driver (like the
miniature Xcelite Red or Green) to push the contact from the wire side
of the housing. For large diameter wire, it may be necessary to strip a
bit more insulation so that it fits into the housing.

The only times I find it difficult to install a Power Pole is when I'm
using #10 wire, which requires the largest of the three sizes of
contacts (the type with the U-shaped holder for the wire). The wire must
be very carefully tinned, inserted very carefully, and the U-shaped
holder carefully folded over so that it fits into the housing. I do this
with a pair of needlenose pliers. A crimper might make that easier.

The only times I've had Power Poles disconnect were when the DC cable
for one of my K3s was too short, and I pulled the radio forward.

73, Jim K9YC

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Bill-3

Re: Power Pole connectors

I would hate to think (shudder shudder) that the Power Poles were not
installed properly, as they were done by Elecraft. Move the K3 and they
WILL disconnect. So, I used a couple of cable ties to act as strain
reliefs. That ended the problem.

Everything else in my shack uses real nut and bolt connections on
Bakelite terminal strips. No unplanned disconnects.

I have the proper (expensive) crimp tool and actually do know what I am
doing. That said, other than Field Day use, I can see no reason to use
Power Poles.

Bill W2BLC K-Line

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Elecraft mailing list

Re: Power Pole connectors

In reply to this post by Jim Brown-10

Even on my non-Elecraft rigs, I cut the connector at about 6" and
install a pair of PowerPoles between the typical, hard to remove
Molex-type connector and the rest of the power cord. I also have the
giant 100 amp PowerPoles for connecting the winch and other accessories
on my ATV. THOSE will never come apart accidentally.
73, Doug -- K0DXV

On 2/17/15 12:05 PM, Jim Brown wrote:

> On Tue,2/17/2015 10:41 AM, Chris Hallinan wrote:
>> I do recall that
>> they were difficult to insert into the plastic shell after soldering
>> because some solder leaked out around the contacts, and I had to
>> basically clean it off.
>
> I've assembled hundreds of Power Pole connector sets -- they're on
> everything in my station that runs on DC, and on all of the non-ham
> gear powered by wall warts or other DC supplies. I've never seen a
> Power Pole crimper -- all of mine are soldered.
>
> I find them very easy to do, once you understand how they work. Inside
> each plastic housing is a spring. The contacts have a sort of curled
> lip that is intended to fit over that spring, which locks it in
> position. The contact must be inserted so that the curl is in the
> right direction, and it must be pushed all the way to the spring.
> Usually you will hear a click when that happens.
>
> For small diameter wire, I often must use a small screw driver (like
> the miniature Xcelite Red or Green) to push the contact from the wire
> side of the housing. For large diameter wire, it may be necessary to
> strip a bit more insulation so that it fits into the housing.
>
> The only times I find it difficult to install a Power Pole is when I'm
> using #10 wire, which requires the largest of the three sizes of
> contacts (the type with the U-shaped holder for the wire). The wire
> must be very carefully tinned, inserted very carefully, and the
> U-shaped holder carefully folded over so that it fits into the
> housing. I do this with a pair of needlenose pliers. A crimper might
> make that easier.
>
> The only times I've had Power Poles disconnect were when the DC cable
> for one of my K3s was too short, and I pulled the radio forward.
>
> 73, Jim K9YC
>
>
> ______________________________________________________________
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>
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> Message delivered to [hidden email]
>

ktalbott

Re: Power Pole connectors

In reply to this post by M0XDF

A proper crimp is far superior to solder! (Let the flames begin.) The
solder will wick up your stranded wire and make a solid conductor of your
nice flexible wire. The additional solid length will impart even more
torque on the APP connection. Perhaps more importantly for power in
general, an overcurrent condition will heat the junction and melt the solder
which will proceed to flow into the most unwelcome places! If you only own
one crimper, make it the West Mountain crimp tool for APP.
Ken - ke4rg

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of David
Ferrington, M0XDF
Sent: Tuesday, February 17, 2015 10:23 AM
To: Chris Hallinan
Cc: <[hidden email]>
Subject: Re: [Elecraft] Power Pole connectors

PowerPoles are not fragile, when correctly assembled/soldered. I think there
is an issue, either with your assembly to the lead or possibly with the
units mounted on the PCB in the K3 (it has been known to be in the K3).

Although I crimp all mine (well worth getting the West Mountain Radio Deluxe
crimp tool if your going to use a lot of APPs) I have to use a reasonable
<snip>

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W1KSZ

Re: Power Pole connectors

In reply to this post by Jim Brown-10

Something must be wrong with the way they are installed. I used P-P's for
years in the mobile (a 4X4 that was off-road as much as on) and NEVER had
an inadvertent disconnect.

73, Dick, W1KSZ

On 2/17/2015 12:05 PM, Jim Brown wrote:

daleputnam

Re: Power Pole connectors

In reply to this post by Elecraft mailing list

Someone opened the door.. and here comes the flood...
some for.. some staunchly against.
I would like to suggest something that would make the tirade a giant leap
more tolerable., Please:
IF you like the PP.. then make a point of saying why specifically.
IF you DO NOT like the PP.. make a better connector, then describe it, so we can
all benefit. Tell us specifically what is wrong.. and what needs to be done to correct that
specific problem.

My interest? Making something better... improving "stuff"... and ultimately, not wearing out my delete key.

Have a great day,

--... ...--
Dale - WC7S in Wy

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George Danner

Re: Power Pole connectors

Sign on the shop wall:

Don't Need Any Problems
(I have Enough of My Own)
Solutions Are Always Welcome

73 George AI4VZ

-----Original Message-----
From: Dale Putnam
Sent: Tuesday, February 17, 2015 7:49 PM
To: [hidden email]
Subject: Re: [Elecraft] Power Pole connectors

Someone opened the door.. and here comes the flood...
some for.. some staunchly against.
I would like to suggest something that would make the tirade a giant leap
more tolerable., Please:
IF you like the PP.. then make a point of saying why specifically.
IF you DO NOT like the PP.. make a better connector, then describe it, so we
can
all benefit. Tell us specifically what is wrong.. and what needs to be done
to correct that
specific problem.

My interest? Making something better... improving "stuff"... and ultimately,
not wearing out my delete key.

Have a great day,

--... ...--
Dale - WC7S in Wy

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wayne burdick

Re: Power Pole connectors

Administrator

In reply to this post by daleputnam

We've weighed the pros and cons of APP connectors on multiple occasions, done careful testing and measurements, etc., and on balance we feel that APP is the best option. Not to cut off debate, but I'm just sayin'....

I know of one gentleman who soldered wires to the RF PCB and attached a connector of his choice, outside the box. To each his own!

73,
Wayne
N6KR

On Feb 17, 2015, at 4:49 PM, Dale Putnam <[hidden email]> wrote:

> Someone opened the door.. and here comes the flood...
> some for.. some staunchly against.
> I would like to suggest something that would make the tirade a giant leap
> more tolerable., Please:
> IF you like the PP.. then make a point of saying why specifically.
> IF you DO NOT like the PP.. make a better connector, then describe it, so we can
> all benefit. Tell us specifically what is wrong.. and what needs to be done to correct that
> specific problem.
>
> My interest? Making something better... improving "stuff"... and ultimately, not wearing out my delete key.
>
>
> Have a great day,
>
>
> --... ...--
> Dale - WC7S in Wy
>
>
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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> Message delivered to [hidden email]

Michael Walker

Re: Power Pole connectors

I use APP's with great success. Yes, I wish they were a little more firm
in their locking, but I do like the speed of crimping.

However, as I move forward, I will be switching to Dean's connectors or
XT60's only for the fact they don't require an expensive crimper and they
are very inexpensive.

Mike va3mw
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Phil Hystad-3

Re: Power Pole connectors

In reply to this post by wayne burdick

Its a mystery to me why people don't like the APP connectors. I think they are great. Never had a problem after I learned how to put them together. I have a APP crimping tool that makes it a lot easier for that part of the work. I think the key to success is making sure that the wires and the little metal tabs are pushed all the way in until you know they lock in and also making sure that you wire the red/black conductors on the correct left/right orientation to correctly fit all of the equipment.

No need to change -- my whole shack is now APP wired with a couple of power strips feeding off their own power supplies.

73, phil K7PEH

P.S. The connectors that I really hate with a passion are those MOLEX connectors that ICOM likes to use for Power. If and when I become dictator of the world, we will burn all of the MOLEX connectors on the planet. I dumped all my ICOM gear because of those MOLEX connectors -- of course, I had bought the entire K-Line by then.

> On Feb 17, 2015, at 6:29 PM, Wayne Burdick <[hidden email]> wrote:
>
> We've weighed the pros and cons of APP connectors on multiple occasions, done careful testing and measurements, etc., and on balance we feel that APP is the best option. Not to cut off debate, but I'm just sayin'....
>
> I know of one gentleman who soldered wires to the RF PCB and attached a connector of his choice, outside the box. To each his own!
>
> 73,
> Wayne
> N6KR
>
>
> On Feb 17, 2015, at 4:49 PM, Dale Putnam <[hidden email]> wrote:
>
>> Someone opened the door.. and here comes the flood...
>> some for.. some staunchly against.
>> I would like to suggest something that would make the tirade a giant leap
>> more tolerable., Please:
>> IF you like the PP.. then make a point of saying why specifically.
>> IF you DO NOT like the PP.. make a better connector, then describe it, so we can
>> all benefit. Tell us specifically what is wrong.. and what needs to be done to correct that
>> specific problem.
>>
>> My interest? Making something better... improving "stuff"... and ultimately, not wearing out my delete key.
>>
>>
>> Have a great day,
>>
>>
>> --... ...--
>> Dale - WC7S in Wy
>>
>>
>>
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
>
> ______________________________________________________________
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