How to solder electrical connections

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(The procedure)
 
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==Some things you'll need and good addition to your tool box==
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Hi How to solder electrical connections  !
  
* Soldering "Gun" or "Pen". Gun is best used for intermitent and general joints, pen is better for many small, specified soldering tasks. [[Weller]] is a well-known brand for soldering appliances.
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* De-solder / soldering tools & braid.
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* About a pound of 60/40 solder, (I use 24 gauge for harness making, and it works well for circuit board assembly also, a good mid-sized gauge)
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* Some resin, a pin vise, hemostats, small brass (about the size of a toothbrush), acid brush, a dental pick is also handy,
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* A GOOD set of automatic strippers with a depth gauge
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* a GOOD tie wrap gun, various tie wraps
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* Bulk (5000 at a time) ring terminals in the 3 popular sizes, that are NOT insulated
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*Shrink tubing of various sizes and colors(cheaper in bulk), makes neat, tidy, and professional transitions from joined wire section to section. Keep a pack of matches handy for when its time to shrink the tubing.
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*A Heat Gun is optional for the shrink tubing, but a lighter or matches will suffice.
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==The procedure==
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* Strip the wire to fit the terminal sleeve, with about 1/4 inch showing.
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* Without twisting the stripped end, tin it until a good silver coat appears.
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* Then, tin the terminal, with just enough solder to flow and leave a silver coat INSIDE the sleeve.
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* Next, get two pieces of shrink tubing -- black for the first insulator, and a selected color for the top to slide over the black, about a 1/4 inch SHORTER than the bottom; cut and slide them on the wire.
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* Next, solder the wire to the ring terminal, "wicking " the solder up into the terminal sleeve, until it is filled, smooth, and shiny silver.
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* Next, crimp the terminal.
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* Finally, slide the black (longer tubing) flush with the end of the terminal sleeve on the ring end, and shrink it (keeping the wire straight until it cools, unless a pre-bent angle is required).
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* When cool, slide the colored tubing (for example: red) over the first, and flush with the ring end, and shrink it down. Net result is you have a terminal with a red marker and about a 1/4 trailer behind it. Looks professional, and lasts forever.
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* To extend a wire, just strip a good length from both wires, make a good mechanical connection by placing the stripped ends parallel to each other, wrap one clockwise and the other counterclockwise. Solder until you have a good flow and coverage and silver (not gray) appearance, then install shrink tubing.
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Even on crimp terminals, solder AND crimp.
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Here's why Melio has been great for me:
  
Although some solder is rosin flux-core, adding flux to the joint helps!
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Melio is free - there are no monthly fees and you don't have to subscribe.
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Paying via ACH bank transfer is free. Or you can pay with your credit card (2.9% fee), even when cards aren't accepted*.
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No more handwritten checks - you choose how you pay, no matter how your vendor wants to be paid.
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Schedule a payment in advance to ensure you never miss a payment.
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Connect your QuickBooks Online account for two-way sync between invoice pay and accounting.
  
IMPORTANT use rosin flux for electrical work. They even make a rosin core solder for electrical work. other flux will lead to corrosion. Acid types are best for galvanised sheet metal!
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And if you have any questions, Melio has a responsive support team, available via chat and email. There is also an informative help center with lots of information.
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Download the melio app for android and from there you can manage all your payments from your smartphone: https://affiliates.meliopayments.com/0sqy6z6w30b0-vrvp5
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*Subject to card network limitations
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Best regards,
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Alessandro
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info@bestqtf.org
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Latest revision as of 11:22, 19 July 2024

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