Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

IIRC Ancor makes waterproof solderless connectors that have glue inside of them. I have gotten them at West Marine in the past. It seems to me I have only seen them in smaller sizes, maybe 8 ga or smaller. 

/

Greg DeCowsky ☠ Ω

Sent from my AyePhone® 

On Nov 11, 2025, at 16:17, Lee Eldridge via groups.io <lee=vombatus.com.au@groups.io> wrote:

I use the stuff I can get from Jaycar and electrical wholesalers. If caught without it I use regular hot melt and shrink on heatshrink tubing.Self amalgamating tape works fine on larger wires but it must be protected with heatshrink or electrical tape . The later was the process used on temporary cable fixes on railway installs these would have a service not to return to repair to standard practices

Best regards

Lee Eldridge

0427874796

On 12 Nov 2025, at 06:42, Carsten via groups.io <Carstensemail=yahoo.com@groups.io> wrote:



I have the WD-40 contact spray at hand. 

That works fine for cleaning, during exercising of old plugs. Unplug, spray, plug, unplug, spray, plug etc.

But is it that, or the original WD-40 "perfumed" oil, you are referring to ?

And, Dan, you wrote "The heat shrink with glue/sealant inside."

What kind of glue/sealant to use ?

 

So far, thanks for all your answers ;-)

Keep it coming, if you have more hidden gems, please.

OP  Carsten

On Tuesday, 11 November 2025 at 16:02:00 CET, cpcanoesailor via groups.io <cpcanoesailor=yahoo.ca@groups.io> wrote:

I have found that WD40 improves electrical connection of already corroded parts, like trailer light plugs, Anderson connectors, etc.

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

I use the stuff I can get from Jaycar and electrical wholesalers. If caught without it I use regular hot melt and shrink on heatshrink tubing.Self amalgamating tape works fine on larger wires but it must be protected with heatshrink or electrical tape . The later was the process used on temporary cable fixes on railway installs these would have a service not to return to repair to standard practices

Best regards

Lee Eldridge

0427874796

On 12 Nov 2025, at 06:42, Carsten via groups.io <Carstensemail=yahoo.com@groups.io> wrote:



I have the WD-40 contact spray at hand. 

That works fine for cleaning, during exercising of old plugs. Unplug, spray, plug, unplug, spray, plug etc.

But is it that, or the original WD-40 "perfumed" oil, you are referring to ?

And, Dan, you wrote "The heat shrink with glue/sealant inside."

What kind of glue/sealant to use ?

 

So far, thanks for all your answers ;-)

Keep it coming, if you have more hidden gems, please.

OP  Carsten

On Tuesday, 11 November 2025 at 16:02:00 CET, cpcanoesailor via groups.io <cpcanoesailor=yahoo.ca@groups.io> wrote:

I have found that WD40 improves electrical connection of already corroded parts, like trailer light plugs, Anderson connectors, etc.

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

I have the WD-40 contact spray at hand. 

That works fine for cleaning, during exercising of old plugs. Unplug, spray, plug, unplug, spray, plug etc.

But is it that, or the original WD-40 "perfumed" oil, you are referring to ?

And, Dan, you wrote "The heat shrink with glue/sealant inside."

What kind of glue/sealant to use ?

 

So far, thanks for all your answers ;-)

Keep it coming, if you have more hidden gems, please.

OP  Carsten

On Tuesday, 11 November 2025 at 16:02:00 CET, cpcanoesailor via groups.io <cpcanoesailor=yahoo.ca@groups.io> wrote:

I have found that WD40 improves electrical connection of already corroded parts, like trailer light plugs, Anderson connectors, etc.

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

WD  = water displacement and was meant to help start wet electrics before modern sealed electrical systems with no pesky points.

mostly contains volatiles and leaves tiny amount of a light mineral oil that also evaporates leaving a gummy compound that is not a great conductor.

Best regards

Lee Eldridge

0427874796

On 12 Nov 2025, at 01:32, cpcanoesailor via groups.io <cpcanoesailor=yahoo.ca@groups.io> wrote:



I have found that WD40 improves electrical connection of already corroded parts, like trailer light plugs, Anderson connectors, etc.

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

I have found that WD40 improves electrical connection of already corroded parts, like trailer light plugs, Anderson connectors, etc.

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

Looks interesting. Water displacement leaving wax finish. Fine for everything except inside modern wiring control box's and Printed circuit boards. Battery terminals are ok but things like Wago 221 are definitely not. Switches I would stay away from unless they are sealed. The wax is likely to interfere with conduction. I am going to buy a tin for mech stuff

Best regards

Lee Eldridge

0427874796

On 11 Nov 2025, at 12:31, Ric Sanders via groups.io <rsandersemail=gmail.com@groups.io> wrote:



I have had great results coating everything with T9 boshield

Cheers,

Ric Sanders

Re: [electricboats] How to avoid corrosion of motors, batteries, electric devices, BMS and power lines in cold and humid conditions ?

I have had great results coating everything with T9 boshield

Cheers,

Ric Sanders

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