{"id":37192,"date":"2026-10-12T16:26:14","date_gmt":"2026-10-12T08:26:14","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=37192"},"modified":"2026-10-12T16:26:17","modified_gmt":"2026-10-12T08:26:17","slug":"soldering-wires-to-pcb","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/","title":{"rendered":"Soldering Wires to PCB for Secure Connections"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_Do_You_Prepare_Wires_and_PCB_Pads_for_Soldering\" >How Do You Prepare Wires and PCB Pads for Soldering?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_Do_You_Solder_a_Wire_to_a_Surface_Pad\" >How Do You Solder a Wire to a Surface Pad?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_Do_You_Solder_a_Wire_into_a_Plated_Through-Hole\" >How Do You Solder a Wire into a Plated Through-Hole?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_to_Solder_Small_Wires_to_Circuit_Board_Pads\" >How to Solder Small Wires to Circuit Board Pads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#Why_Wont_Solder_Stick_to_the_Wire_or_PCB_Pad\" >Why Won\u2019t Solder Stick to the Wire or PCB Pad?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_Do_You_Stop_Soldered_Wires_from_Breaking_Off_the_PCB\" >How Do You Stop Soldered Wires from Breaking Off the PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#How_Do_You_Inspect_and_Test_a_Wire-to-PCB_Connection\" >How Do You Inspect and Test a Wire-to-PCB Connection?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/#FAQs_About_Soldering_Wires_to_PCB\" >FAQs About Soldering Wires to PCB<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div><p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/\">Soldering wires to PCB<\/a> pads or plated holes requires a clean, wetted joint and support that keeps cable movement away from the connection. The method changes with the connection point: a wire laid onto a surface pad needs different positioning from one inserted through a plated hole. In either case, adding more solder cannot compensate for poor bonding or an unsupported cable.<\/p>\n<p>EBest Circuit supports PCB fabrication and assembly, including manual soldering for wire connections. Bringing the board and its wire attachment requirements into the same assembly review helps address access, routing and inspection before production. For support with your PCB assembly project, contact <strong>sales@bestpcbs.com<\/strong>.<\/p>\n<figure style=\"max-width:600px;margin:24px auto;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-1.jpg\" alt=\"soldering wires to PCB\" width=\"600\" height=\"400\" style=\"display:block;width:100%;max-width:600px;height:auto;\" class=\"wp-image-37193\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-1.jpg 1200w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-1-300x200.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-1-1024x683.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-1-768x512.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption style=\"font-size:13px;color:#536575;margin-top:8px;\">Surface-pad wire soldering.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_You_Prepare_Wires_and_PCB_Pads_for_Soldering\"><\/span>How Do You Prepare Wires and PCB Pads for Soldering?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Prepare the conductor to fit the actual connection point, with no damaged strands or unnecessary exposed wire.<\/strong> Start with the board disconnected from power and batteries, and handle stored energy according to the equipment\u2019s service procedure. Use local fume extraction and appropriate ESD precautions.<\/p>\n<p>Have a temperature-controlled soldering station, a suitable tip, <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/07\/solders-and-flux\/\">electronics solder and compatible flux<\/a> ready. A board holder, correctly sized wire stripper, cutters and magnification make positioning and inspection easier. The wire must suit both the circuit current and the pad or hole; do not reduce its strand count just to make it fit.<\/p>\n<ol>\n<li><strong>Strip the insulation.<\/strong> Expose enough conductor for the intended joint without leaving bare wire that can reach nearby copper. Replace an end with nicked or broken strands.<\/li>\n<li><strong>Keep stranded wire together.<\/strong> Restore its natural lay gently rather than twisting it into a tight, distorted bundle.<\/li>\n<li><strong>Prepare the pad.<\/strong> Remove contamination with a cleaner compatible with the board and components. A coated or damaged surface needs appropriate preparation, not simply more flux.<\/li>\n<li><strong>Tin where needed.<\/strong> For a surface-pad connection, lightly tin the conductor and pad. Keep the wire\u2019s outline visible instead of creating a large solder bead. For through-hole work, keep the hole open for insertion.<\/li>\n<\/ol>\n<p>Plan the wire\u2019s exit direction before heating. If it must be sharply bent immediately after soldering, adjust the routing first.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_You_Solder_a_Wire_to_a_Surface_Pad\"><\/span>How Do You Solder a Wire to a Surface Pad?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Lay the prepared conductor along the pad and hold it still while the solder joins both surfaces.<\/strong> The stripped end should sit within the intended soldering area, clear of adjacent pads and components.<\/p>\n<ol>\n<li><strong>Secure the board and wire.<\/strong> Use a holder or fixture so the wire rests on the pad without springing upward. Keep the insulation clear of the hot tip.<\/li>\n<li><strong>Apply compatible flux if needed.<\/strong> Previously tinned surfaces may need fresh flux for the joining operation.<\/li>\n<li><strong>Heat the connection.<\/strong> Bring the clean, tinned tip into contact with the conductor and pad. Watch for the solder to flow between them.<\/li>\n<li><strong>Add only the solder needed.<\/strong> If the existing tinning forms a suitable joint, additional solder may be unnecessary. Avoid burying the connection beneath a blob.<\/li>\n<li><strong>Remove the iron and hold position.<\/strong> Allow the joint to solidify before releasing the wire or adjusting the board.<\/li>\n<\/ol>\n<p>If the wire keeps lifting, improve the fixture. Pressing harder with the iron can damage the pad and still leave a joint under tension after cooling.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_You_Solder_a_Wire_into_a_Plated_Through-Hole\"><\/span>How Do You Solder a Wire into a Plated Through-Hole?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Insert the conductor through a suitable plated hole, then form the joint between the wire and the plated barrel.<\/strong> A mounting hole without conductive plating is not an equivalent connection point.<\/p>\n<ol>\n<li><strong>Confirm the fit.<\/strong> The prepared wire should enter without forcing, scraping or losing strands. An oversized hole can also make a controlled joint difficult; use the intended wire and hole combination.<\/li>\n<li><strong>Set the insertion depth.<\/strong> Leave the required conductor protrusion on the solder side while keeping insulation outside the joint. Follow the assembly drawing where dimensions are specified.<\/li>\n<li><strong>Support the wire.<\/strong> Hold its position so it cannot slide through the hole as the solder melts.<\/li>\n<li><strong>Heat the wire and annular pad together.<\/strong> Feed solder into the heated connection and allow it to wet the conductor and flow into the barrel.<\/li>\n<li><strong>Let the joint cool before finishing.<\/strong> Inspect both accessible sides. If trimming is required, avoid bending the conductor or loading the pad with the cutters.<\/li>\n<\/ol>\n<p>A mound covering the hole does not prove that solder has wetted the barrel adequately. Production acceptance should follow the specified workmanship requirements rather than a universal fill percentage borrowed from another assembly.<\/p>\n<p>The hole helps locate the wire, but <strong>it does not replace strain relief<\/strong> when the cable will be pulled or flexed.<\/p>\n<figure style=\"max-width:600px;margin:24px auto;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-2.jpg\" alt=\"soldering wires to PCB\" width=\"600\" height=\"400\" style=\"display:block;width:100%;max-width:600px;height:auto;\" class=\"wp-image-37194\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-2.jpg 1200w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-2-300x200.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-2-1024x683.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-2-768x512.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption style=\"font-size:13px;color:#536575;margin-top:8px;\">Solder-side view of wire connections through plated holes.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Solder_Small_Wires_to_Circuit_Board_Pads\"><\/span>How to Solder Small Wires to Circuit Board Pads<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Fine wires need accurate stripping and stable positioning more than extra solder.<\/strong> With little clearance around the joint, a single loose strand can connect adjacent pads.<\/p>\n<ul>\n<li><strong>Match the stripper to the conductor.<\/strong> Inspect the exposed section under magnification; a small nick can become a break during routing.<\/li>\n<li><strong>Control the stripped length.<\/strong> Keep the exposed end within the intended connection area. Do not leave a long tail to fold across nearby pads.<\/li>\n<li><strong>Support the wire close to the work.<\/strong> A suitable fixture prevents hand movement from shifting the conductor while the joint cools.<\/li>\n<li><strong>Use a tip with adequate contact area.<\/strong> The finest needle tip is not always the best choice if it cannot transfer heat efficiently. It must also clear surrounding parts.<\/li>\n<li><strong>Limit solder volume.<\/strong> Use a manageable solder diameter and short feed movements so the joint remains visible.<\/li>\n<\/ul>\n<p>For several closely spaced wires, verify the first connection under magnification before continuing. Catching excess exposed conductor or a poor exit angle early avoids repeating the same problem across the row.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Wont_Solder_Stick_to_the_Wire_or_PCB_Pad\"><\/span>Why Won\u2019t Solder Stick to the Wire or PCB Pad?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Solder must wet the metal surface; melting beside it is not enough.<\/strong> If repeated attempts only produce a ball of solder, stop and identify which surface is failing to wet.<\/p>\n<table>\n<thead>\n<tr>\n<th>Observed problem<\/th>\n<th>Possible cause<\/th>\n<th>Useful correction<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Solder wets the pad but not the wire<\/td>\n<td>Oxidized conductor, remaining enamel or an unsuitable conductor finish<\/td>\n<td>Identify the wire material and insulation; prepare a fresh, solderable end<\/td>\n<\/tr>\n<tr>\n<td>Solder wets the wire but beads on the pad<\/td>\n<td>Contamination, coating, damaged finish or insufficient pad heating<\/td>\n<td>Inspect the pad surface and improve heat transfer without prolonged heating<\/td>\n<\/tr>\n<tr>\n<td>Solder melts on the tip but does not flow across the joint<\/td>\n<td>Poor contact or excessive heat loss into the board<\/td>\n<td>Clean and tin the tip; use a suitable contact shape and a controlled process<\/td>\n<\/tr>\n<tr>\n<td>The joint repeatedly resists wetting after reheating<\/td>\n<td>Depleted flux, persistent contamination or material damage<\/td>\n<td>Let it cool, inspect and correct the underlying condition before another attempt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Large copper areas and metal-core boards draw heat away differently from small isolated pads. Raising the temperature indefinitely can damage the assembly without resolving poor tip contact or surface contamination.<\/p>\n<p>Use the solder, flux and equipment guidance for the actual joint. There is no single iron setting or dwell time that suits every wire size, pad and board construction.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_You_Stop_Soldered_Wires_from_Breaking_Off_the_PCB\"><\/span>How Do You Stop Soldered Wires from Breaking Off the PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Keep external pulling and repeated bending away from the soldered termination.<\/strong> First distinguish what has failed; the remedies are different.<\/p>\n<ul>\n<li><strong>The wire separates from the solder.<\/strong> Investigate wetting and joint formation rather than covering the connection with adhesive.<\/li>\n<li><strong>The copper pad lifts with the wire.<\/strong> The board connection has suffered mechanical or thermal damage. More solder will not restore its attachment to the laminate.<\/li>\n<li><strong>The wire breaks beside an intact joint.<\/strong> Repeated bending may be concentrated at the transition between the stiff soldered section and flexible conductor.<\/li>\n<\/ul>\n<p>Solder can wick between strands and stiffen a length of wire beyond the visible joint. Form bends in the flexible section rather than forcing a sharp bend at the end of that stiffened region.<\/p>\n<p>A clamp, tie-down or suitable bonded support can transfer cable load to the board or enclosure. Position it so the short wire section leading to the pad is not taut. Adhesive must suit the insulation, board materials and operating conditions; it should not conceal an uninspected connection.<\/p>\n<p>Heat-shrink tubing may protect exposed wire, but <strong>a sleeve alone does not anchor the cable to the PCB<\/strong>. Likewise, an unsupported loop leaves the solder joint carrying the load when someone pulls the cable.<\/p>\n<figure style=\"max-width:600px;margin:24px auto;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-3.jpg\" alt=\"soldering wires to PCB\" width=\"600\" height=\"400\" style=\"display:block;width:100%;max-width:600px;height:auto;\" class=\"wp-image-37195\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-3.jpg 1200w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-3-300x200.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-3-1024x683.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/10\/soldering-wires-to-pcb-3-768x512.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption style=\"font-size:13px;color:#536575;margin-top:8px;\">A clamp supports the insulated wires away from the solder joints.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_You_Inspect_and_Test_a_Wire-to-PCB_Connection\"><\/span>How Do You Inspect and Test a Wire-to-PCB Connection?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Inspect the physical joint before checking the circuit electrically.<\/strong> Clean flux residue when required by the flux chemistry and assembly specification, then examine the accessible surfaces under suitable magnification.<\/p>\n<table>\n<thead>\n<tr>\n<th>Inspection area<\/th>\n<th>What to look for<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Wire-to-pad or wire-to-hole interface<\/td>\n<td>Solder wetting the intended surfaces, without a detached bead or visible crack<\/td>\n<\/tr>\n<tr>\n<td>Surrounding conductors<\/td>\n<td>No stray strands, solder bridges or excessive bare wire reaching adjacent connections<\/td>\n<\/tr>\n<tr>\n<td>PCB and insulation<\/td>\n<td>No lifted copper, scorched laminate or insulation damaged by the iron<\/td>\n<\/tr>\n<tr>\n<td>Wire routing and support<\/td>\n<td>No tension at the joint or forced bend at the stiffened conductor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Brightness alone is not a pass\/fail test. Alloy and process affect appearance, and an attractive solder surface cannot reveal every defect inside a plated hole.<\/p>\n<p>With power disconnected, verify continuity from the wire end to the intended circuit node and check for unintended connections. Interpret resistance readings against the schematic: components already on the board can create legitimate paths between nodes.<\/p>\n<p>Confirm polarity and wire assignment before powered testing. A continuity beep proves neither current-carrying performance nor resistance to vibration. Where these matter, use the specified load, functional and mechanical tests. An improvised tug test can damage the very pad being inspected.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_About_Soldering_Wires_to_PCB\"><\/span>FAQs About Soldering Wires to PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Can solid and stranded wires use the same soldering method?<\/strong><\/p>\n<p>Both can be soldered when their materials and finishes are suitable. Stranded wire needs control of loose strands and <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/07\/what-is-solder-wicking\/\">solder wicking<\/a>; solid wire can transmit bending force directly to a pad. Each needs routing and support appropriate to its use.<\/p>\n<p><strong>Can you solder enamelled wire directly to a PCB?<\/strong><\/p>\n<p>Only when its insulation is designed for the specified soldering process. Other enamel coatings must be removed from the termination area first. Follow the wire manufacturer\u2019s stripping or tinning method instead of trying to burn an unknown coating away on the PCB.<\/p>\n<p><strong>Can you reuse a wire that has already been tinned?<\/strong><\/p>\n<p>A clean, undamaged end may be reusable if its alloy, dimensions and stiffness remain suitable. Cut back and prepare a fresh end if it has broken strands, damaged insulation or an excessively long solder-stiffened section. Leave enough length for proper routing.<\/p>\n<p><strong>Can a lifted PCB pad simply be soldered back down?<\/strong><\/p>\n<p>No. Solder does not reattach copper to the laminate. A repair may require bonding or replacing the pad and restoring the electrical connection. The method depends on the damage, connected traces and board construction.<\/p>\n<p><strong>When is a connector better than a directly soldered wire?<\/strong><\/p>\n<p>A connector is usually more practical when the cable must be disconnected for assembly or service. Its current rating, mounting and cable support still need to suit the application. Direct soldering can work well for permanent connections with controlled routing and adequate support.<\/p>\n<p>For production assemblies, <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/\">soldering wires to PCB<\/a> connection points should be planned alongside cable routing and inspection. EBest Circuit can review your PCB assembly requirements and discuss the wire attachment work with you. Contact <strong>sales@bestpcbs.com<\/strong> to discuss your project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Soldering wires to PCB pads or plated holes requires a clean, wetted joint and support that keeps cable movement away from the connection. The method changes with the connection point: a wire laid onto a surface pad needs different positioning from one inserted through a plated hole. In either case, adding more solder cannot compensate [&hellip;]<\/p>\n","protected":false},"author":33085,"featured_media":37193,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[161],"tags":[],"class_list":["post-37192","post","type-post","status-publish","format-standard","hentry","category-pcba"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn techniques for soldering wires to PCB pads and through-holes with proper wetting, secure wire support, and reliable electrical connections.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"zeng, liuyan\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/10\/soldering-wires-to-pcb\/\" \/>\n\t<meta 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