{"id":8280,"date":"2026-08-26T17:55:00","date_gmt":"2026-08-26T21:55:00","guid":{"rendered":"https:\/\/groupequenneville.com\/?p=8280"},"modified":"2026-08-03T21:30:53","modified_gmt":"2026-08-04T01:30:53","slug":"knob-and-tube-wiring-danger-solutions","status":"publish","type":"post","link":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/","title":{"rendered":"Knob and Tube Wiring: Danger, Insurance and Solutions"},"content":{"rendered":"\n<div class=\"gqp\"><style>.gqp{--forest:#1F3D2B;--sage:#6B9A5B;--sage-soft:#E8F0E4;--paper:#F1F1EF;--ink:#1d1d1f;--muted:#6e6e73;--line:#e3e3e0;--heat:#C2562F;--heat-soft:#FBE8E0;font-family:-apple-system,BlinkMacSystemFont,\"SF Pro Display\",\"Helvetica Neue\",Arial,sans-serif;color:var(--ink);background:#fff;color-scheme:light;-webkit-font-smoothing:antialiased;line-height:1.5}.gqp *{box-sizing:border-box}.gqp .wrap{max-width:1080px;margin:0 auto;padding:0 24px}.gqp .narrow{max-width:720px;margin:0 auto}.gqp h2{font-size:clamp(26px,4.2vw,44px);line-height:1.1;letter-spacing:-.02em;font-weight:700;margin:0}.gqp h3{font-size:clamp(20px,2.6vw,26px);line-height:1.15;font-weight:650;margin:0}.gqp p{font-size:18px;line-height:1.65;color:#2c2c2e;margin:0}.gqp .kicker{font-size:14px;font-weight:650;letter-spacing:.05em;text-transform:uppercase;color:var(--sage)}.gqp .lead{font-size:clamp(19px,2.2vw,23px);color:var(--muted)}.gqp .section{padding:80px 0}.gqp .center{text-align:center}.gqp a{color:var(--forest)}.gqp .hero{background:radial-gradient(120% 120% at 50% 0%,#fff,#f4f6f3 45%,var(--sage-soft));padding:74px 0 44px;text-align:center;border-bottom:1px solid var(--line)}.gqp .hero .lead{max-width:660px;margin:20px auto 0}.gqp .badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:100px;font-size:13.5px;font-weight:600;color:var(--forest);margin-bottom:24px}.gqp .dot{width:8px;height:8px;border-radius:50%;background:var(--sage)}.gqp .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}.gqp .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:100px;font-size:16.5px;font-weight:600;text-decoration:none}.gqp .btn-p{background:var(--forest);color:#fff}.gqp .btn-g{background:#fff;color:var(--forest);border:1.5px solid var(--forest)}.gqp .band{background:var(--paper);border-radius:34px;margin:22px 16px}.gqp .band-green{background:linear-gradient(180deg,#1F3D2B,#16301f);color:#fff;border-radius:34px;margin:22px 16px}.gqp .band-green h2{color:#fff}.gqp .band-green p{color:#d7e2d3}.gqp .band-green .kicker{color:#9Fc48c}.gqp .band-green a{color:#cfe3c4}.gqp .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}.gqp .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.gqp .card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.gqp .card h3{margin:0 0 8px;font-size:20px}.gqp .card p{font-size:15.5px}.gqp .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--sage-soft);color:var(--forest);font-weight:800;font-size:16px;margin-bottom:12px}.gqp .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}.gqp .stat{text-align:center;padding:18px}.gqp .stat .big{font-size:clamp(26px,3.6vw,38px);font-weight:800;color:#fff}.gqp .stat .cap{font-size:14px;color:#cddbc7;margin-top:5px}.gqp .stars{color:#9Fc48c;font-size:19px;letter-spacing:2px}.gqp .ghl{max-width:640px;margin:32px auto 0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px}.gqp .final{background:radial-gradient(120% 140% at 50% 0%,#24462f,#16301f 70%);color:#fff;text-align:center;padding:86px 0;border-radius:34px;margin:22px 16px}.gqp .final h2{color:#fff}.gqp .final .lead{color:#cddbc7;max-width:600px;margin:16px auto 0}.gqp .contact{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:28px;font-size:17px}.gqp .contact a{color:#fff;text-decoration:none;font-weight:600}.gqp .faq details{border-top:1px solid var(--line);padding:20px 4px}.gqp .faq details:last-child{border-bottom:1px solid var(--line)}.gqp .faq summary{font-size:18px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;color:var(--forest)}.gqp .faq summary::-webkit-details-marker{display:none}.gqp .faq p{margin-top:12px;font-size:16px}.gqp .foot{padding:36px 0;text-align:center;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}.gqp .src{font-size:12.5px;color:#9a9a9a;max-width:760px;margin:14px auto 0}.gqp ul.clean{margin:16px 0 0;padding:0;list-style:none}.gqp ul.clean li{font-size:16.5px;padding:9px 0 9px 30px;position:relative;border-top:1px solid var(--line)}.gqp ul.clean li:before{content:\"\u2713\";position:absolute;left:2px;color:var(--sage);font-weight:800}.gqp ul.warn li:before{content:\"!\";color:var(--heat)}.gqp .note{background:var(--sage-soft);border-radius:16px;padding:20px 22px;margin-top:24px;font-size:16.5px;color:#2c2c2e}.gqp .note b{color:var(--forest)}@media(max-width:760px){.gqp .grid-2,.gqp .grid-3,.gqp .stats{grid-template-columns:1fr}.gqp .section{padding:58px 0}}<\/style><header class=\"hero\"><div class=\"wrap\"><div class=\"badge\"><span class=\"dot\"><\/span>Residential \u00b7 Commercial \u00b7 Industrial \u2014 Montr\u00e9al, Laval &amp; North Shore<\/div>\n<p class=\"lead\">If your home was built before the 1950s, it may hide old &#8220;knob and tube&#8221; wiring. Here&#8217;s how to recognize it, why it worries insurers, and what to do about it.<\/p>\n<div class=\"cta-row\"><a class=\"btn btn-p\" href=\"#soumission\">Have my wiring checked \u2192<\/a><a class=\"btn btn-g\" href=\"tel:5145031353\">514-503-1353<\/a><\/div><\/div><\/header>\n<section class=\"section\"><div class=\"wrap narrow center\"><span class=\"kicker\">What it is<\/span><h2 style=\"margin:14px 0 18px\">Knob and tube, explained<\/h2>\n<p>It&#8217;s the wiring method of old houses: individual wires held by <strong>porcelain knobs<\/strong> and passed through <strong>ceramic tubes<\/strong> across the joists. It served its era well \u2014 but this system has <strong>no ground<\/strong> and was never designed for today&#8217;s electrical needs.<\/p><\/div><\/section>\n<section class=\"section band\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">The problem<\/span><h2 style=\"margin:14px 0 8px\">Why it worries people<\/h2><\/div>\n<div class=\"grid-3\"><div class=\"card\"><h3>No ground<\/h3><p>No ground wire means no shock protection for your modern appliances.<\/p><\/div>\n<div class=\"card\"><h3>Aging insulation<\/h3><p>After 70-100 years, the wire&#8217;s sheathing dries out, cracks and crumbles \u2014 a risk of arcing and fire.<\/p><\/div>\n<div class=\"card\"><h3>Accumulated DIY<\/h3><p>Decades of amateur changes (splices, dubious connections) weaken the whole thing.<\/p><\/div>\n<div class=\"card\"><h3>Smothered by insulation<\/h3><p>Covered by blown-in attic insulation, old wire overheats \u2014 it wasn&#8217;t designed for that.<\/p><\/div>\n<div class=\"card\"><h3>Overloaded<\/h3><p>Built for a few light bulbs, not today&#8217;s kitchens, appliances and electronics.<\/p><\/div>\n<div class=\"card\"><h3>Refused by insurers<\/h3><p>Like aluminum, many insurers require an inspection\u2026 or its replacement.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">How to spot it<\/span><h2 style=\"margin:14px 0 12px\">Do you have knob and tube?<\/h2>\n<ul class=\"clean\"><li>Individual wires running over small <strong>white porcelain cylinders<\/strong>, visible in the basement or attic.<\/li><li><strong>Two-prong outlets<\/strong> (no ground slot) throughout.<\/li><li>A house built <strong>before ~1950<\/strong> that has never been rewired.<\/li><\/ul>\n<div class=\"note\">Not sure? That&#8217;s exactly the kind of thing we confirm during an <a href=\"https:\/\/groupequenneville.com\/en\/home-electrical-inspection-buying-selling\/\">electrical inspection<\/a>.<\/div><\/div><\/section>\n<section class=\"section band-green\"><div class=\"wrap narrow center\"><span class=\"kicker\">Insurance<\/span><h2 style=\"margin:14px 0 14px\">The crux of the matter<\/h2>\n<p>Knob and tube is, along with aluminum, one of the most scrutinized points when buying and by insurers. Some refuse to insure, others require an inspection or replacement. Finding out <strong>before<\/strong> buying (or before a renewal) avoids nasty surprises \u2014 and gives you a bargaining chip.<\/p><\/div><\/section>\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">The solution<\/span><h2 style=\"margin:14px 0 12px\">You don&#8217;t &#8220;repair&#8221; it, you replace it<\/h2>\n<p>There&#8217;s no real patch for knob and tube: the right approach is <strong>replacing the wiring<\/strong> with modern, grounded cable, often zone by zone to spread the budget. We prioritize critical areas (kitchen, bathroom, panel) and bring it all up to code \u2014 and insurable.<\/p><\/div><\/section>\n<section class=\"section\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">Place it in time<\/span><h2 style=\"margin:14px 0 8px\">Knob and tube, aluminum or modern?<\/h2><\/div>\n<div class=\"grid-3\"><div class=\"card\"><h3>Knob and tube<\/h3><p>Before ~1950. Wires on porcelain, <strong>no ground<\/strong>. Watched by insurers.<\/p><\/div>\n<div class=\"card\"><h3>Aluminum<\/h3><p>1960s-70s. The danger comes mostly from <strong>connections<\/strong> that heat up. See our <a href=\"https:\/\/groupequenneville.com\/en\/aluminum-wiring-danger-solutions\/\">aluminum guide<\/a>.<\/p><\/div>\n<div class=\"card\"><h3>Modern copper<\/h3><p>Today: sheathed cable with a ground wire, GFCI\/AFCI breakers. The safe standard.<\/p><\/div><\/div>\n<div class=\"note\">Many Quebec homes mix eras: an old knob-and-tube trunk next to modern additions. An inspection sorts it all out.<\/div><\/div><\/section>\n<section class=\"section band\"><div class=\"wrap narrow\"><span class=\"kicker\">The budget<\/span><h2 style=\"margin:14px 0 12px\">How much does rewiring cost?<\/h2>\n<p>There&#8217;s no single price: it all depends on the size, the access (open or closed walls, accessible basement and attic) and the scope. The good news is you can <strong>go zone by zone<\/strong> to spread the cost: start with critical areas (panel, kitchen, bathroom), then the rest over time. We price each step clearly, with no surprises.<\/p><\/div><\/section>\n<section class=\"section band-green\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">Why Groupe Quenneville<\/span><h2 style=\"margin:14px 0 14px\">From old wire to safe wiring<\/h2>\n<p>CMEQ-certified company holding an RBQ licence. We assess your installation, price the replacement and modernize cleanly. Serving Greater Montr\u00e9al, <a href=\"https:\/\/groupequenneville.com\/en\/electrician-laval\/\">Laval<\/a>, the North Shore, the Laurentians and Lanaudi\u00e8re.<\/p><\/div>\n<div class=\"stats\"><div class=\"stat\"><div class=\"stars\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"cap\">4.9 \/ 5 \u2014 249+ Google reviews<\/div><\/div><div class=\"stat\"><div class=\"big\">CMEQ<span style=\"font-size:19px\"> \u00b7 RBQ<\/span><\/div><div class=\"cap\">Certified company<\/div><\/div><div class=\"stat\"><div class=\"big\">5 yrs<\/div><div class=\"cap\">Warranty \u00b7 $5M insurance<\/div><\/div><\/div><\/div><\/section>\n<section class=\"final\" id=\"soumission\"><div class=\"wrap\"><span class=\"kicker\" style=\"color:#9Fc48c\">Take action<\/span><h2 style=\"margin:14px 0 4px\">An old home to make safe?<\/h2>\n<p class=\"lead\">We check your wiring and tell you straight whether to act. Free quote.<\/p>\n<div class=\"cta-row\" style=\"margin-top:30px\"><a class=\"btn btn-p\" style=\"background:#fff;color:#1F3D2B\" href=\"tel:5145031353\">\ud83d\udcde Call an electrician<\/a><a class=\"btn btn-g\" style=\"background:transparent;color:#fff;border-color:#fff\" href=\"#form\">Request a quote<\/a><\/div>\n<div class=\"contact\"><a href=\"tel:5145031353\">\u260e 514-503-1353<\/a><a href=\"https:\/\/groupequenneville.com\/en\/\" target=\"_blank\" rel=\"noopener\">\ud83c\udf10 groupequenneville.com<\/a><\/div>\n<div id=\"form\"><div class=\"ghl\"><iframe src=\"https:\/\/api.leadconnectorhq.com\/widget\/form\/eis7Ed6eoyBgcKjuLdtw\" style=\"width:100%;border:none;min-height:780px\" id=\"inline-eis7Ed6eoyBgcKjuLdtw\" data-layout=\"{'id':'INLINE'}\" data-trigger-type=\"alwaysShow\" data-form-name=\"Form EN\" data-height=\"780\" data-layout-iframe-id=\"inline-eis7Ed6eoyBgcKjuLdtw\" data-form-id=\"eis7Ed6eoyBgcKjuLdtw\" title=\"Form EN\"><\/iframe><\/div><\/div><\/div><\/section>\n<section class=\"section\"><div class=\"wrap narrow\"><div class=\"center\"><span class=\"kicker\">Frequently asked questions<\/span><h2 style=\"margin:14px 0 26px\">What homeowners ask us<\/h2><\/div>\n<div class=\"faq\"><details open><summary>Is knob and tube wiring dangerous?<span>+<\/span><\/summary><p>It can become so with age: crumbling insulation, no ground, overloads and accumulated DIY increase the risk of arcing and fire.<\/p><\/details>\n<details><summary>How do I know if my house has it?<span>+<\/span><\/summary><p>Look for wires on small white porcelain cylinders in the basement or attic, two-prong outlets, and pre-1950 construction. An inspection confirms it.<\/p><\/details>\n<details><summary>Can my insurance refuse it?<span>+<\/span><\/summary><p>Yes. As with aluminum, many insurers require an inspection, a higher premium, or outright replacement of the wiring.<\/p><\/details>\n<details><summary>Can it be repaired, or must it all be replaced?<span>+<\/span><\/summary><p>There&#8217;s no durable patch. The right solution is replacement with modern grounded wiring, often done zone by zone.<\/p><\/details>\n<details><summary>Can a house be rewired without demolishing it?<span>+<\/span><\/summary><p>Often yes, largely. New wiring runs through accessible spaces (basement, attic, open walls), keeping openings to a minimum.<\/p><\/details>\n<details><summary>Can I add insulation over knob and tube?<span>+<\/span><\/summary><p>No, it&#8217;s dangerous: this old wire needs air to dissipate heat. Covered by insulation, it overheats \u2014 a common non-compliance and a real fire risk.<\/p><\/details>\n<details><summary>Is knob and tube wiring illegal?<span>+<\/span><\/summary><p>Not in itself if intact and unmodified, but it&#8217;s often deemed unsafe, refused by insurers and required to be replaced during renovations.<\/p><\/details>\n<details><summary>How long does a full rewire take?<span>+<\/span><\/summary><p>From a few days to a few weeks depending on the home&#8217;s size and access. Going zone by zone limits disruption and spreads the work.<\/p><\/details><\/div><\/div><\/section>\n<footer class=\"foot\"><div class=\"wrap\"><p>Groupe Quenneville \u2014 Residential \u00b7 Commercial \u00b7 Industrial \u00b7 Montr\u00e9al, Laval &amp; North Shore<br>514-503-1353 \u00b7 groupequenneville.com<\/p>\n<p class=\"src\">Sources: <a href=\"https:\/\/www.cmeq.org\/\" target=\"_blank\" rel=\"noopener nofollow\">CMEQ<\/a> \u00b7 <a href=\"https:\/\/www.rbq.gouv.qc.ca\/\" target=\"_blank\" rel=\"noopener nofollow\">RBQ<\/a>.<\/p><\/div><\/footer>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is knob and tube wiring dangerous?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It can become so with age: crumbling insulation, no ground, overloads and accumulated DIY increase the risk of arcing and fire.\"}},{\"@type\":\"Question\",\"name\":\"How do I know if my house has knob and tube wiring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Look for wires on small white porcelain cylinders in the basement or attic, two-prong outlets, and pre-1950 construction. An inspection confirms it.\"}},{\"@type\":\"Question\",\"name\":\"Can my insurance refuse a house with knob and tube?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. As with aluminum, many insurers require an inspection, a higher premium, or replacement of the wiring.\"}},{\"@type\":\"Question\",\"name\":\"Can knob and tube be repaired or must it be replaced?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"There's no durable patch. The right solution is replacement with modern grounded wiring, often done zone by zone.\"}},{\"@type\":\"Question\",\"name\":\"Can a house be rewired without demolishing it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Often yes, largely. New wiring runs through accessible spaces (basement, attic, open walls), keeping openings to a minimum.\"}},{\"@type\":\"Question\",\"name\":\"Can I add insulation over knob and tube wiring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, it's dangerous: this old wire needs air to dissipate heat. Covered by insulation it overheats, a real fire risk.\"}},{\"@type\":\"Question\",\"name\":\"Is knob and tube wiring illegal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not in itself if intact and unmodified, but it's often deemed unsafe, refused by insurers and required to be replaced during renovations.\"}},{\"@type\":\"Question\",\"name\":\"How long does a full home rewire take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"From a few days to a few weeks depending on size and access. Going zone by zone limits disruption.\"}}]}<\/script><script src=\"https:\/\/link.msgsndr.com\/js\/form_embed.js\"><\/script><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Knob and tube wiring in old homes: how to recognize it, why insurers refuse it, and how to replace it. 514-503-1353.<\/p>\n","protected":false},"author":7,"featured_media":8721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[],"class_list":["post-8280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-safety"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Knob and Tube Wiring: Danger &amp; Solutions<\/title>\n<meta name=\"description\" content=\"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Knob and Tube Wiring: Danger &amp; Solutions\" \/>\n<meta property=\"og:description\" content=\"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/\" \/>\n<meta property=\"og:site_name\" content=\"Groupe Quenneville\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GroupeQuenneville\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-26T21:55:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1050\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"Knob and Tube Wiring: Danger, Insurance and Solutions\",\"datePublished\":\"2026-08-26T21:55:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/\"},\"wordCount\":831,\"publisher\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/gq-boutontube-en.jpg\",\"articleSection\":[\"Safety\"],\"inLanguage\":\"en-CA\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/\",\"url\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/\",\"name\":\"Knob and Tube Wiring: Danger & Solutions\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/gq-boutontube-en.jpg\",\"datePublished\":\"2026-08-26T21:55:00+00:00\",\"description\":\"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#breadcrumb\"},\"inLanguage\":\"en-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-CA\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#primaryimage\",\"url\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/gq-boutontube-en.jpg\",\"contentUrl\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/gq-boutontube-en.jpg\",\"width\":2000,\"height\":1050},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/knob-and-tube-wiring-danger-solutions\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knob and Tube Wiring: Danger, Insurance and Solutions\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/\",\"name\":\"Groupe Quenneville\",\"description\":\"Ma\u00eetre \u00e9lectricien\",\"publisher\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-CA\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#organization\",\"name\":\"Groupe Quenneville\",\"url\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-CA\",\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/groupequenneville.com\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/logo.png\",\"width\":851,\"height\":315,\"caption\":\"Groupe Quenneville\"},\"image\":{\"@id\":\"https:\\\/\\\/groupequenneville.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/GroupeQuenneville\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/groupe-quenneville-inc\\\/\"]},{\"@type\":\"Person\",\"@id\":\"\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Knob and Tube Wiring: Danger & Solutions","description":"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/","og_locale":"en_US","og_type":"article","og_title":"Knob and Tube Wiring: Danger & Solutions","og_description":"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.","og_url":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/","og_site_name":"Groupe Quenneville","article_publisher":"https:\/\/www.facebook.com\/GroupeQuenneville","article_published_time":"2026-08-26T21:55:00+00:00","og_image":[{"width":2000,"height":1050,"url":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Written by":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#article","isPartOf":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/"},"author":{"name":"","@id":""},"headline":"Knob and Tube Wiring: Danger, Insurance and Solutions","datePublished":"2026-08-26T21:55:00+00:00","mainEntityOfPage":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/"},"wordCount":831,"publisher":{"@id":"https:\/\/groupequenneville.com\/en\/#organization"},"image":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#primaryimage"},"thumbnailUrl":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg","articleSection":["Safety"],"inLanguage":"en-CA"},{"@type":"WebPage","@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/","url":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/","name":"Knob and Tube Wiring: Danger & Solutions","isPartOf":{"@id":"https:\/\/groupequenneville.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#primaryimage"},"image":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#primaryimage"},"thumbnailUrl":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg","datePublished":"2026-08-26T21:55:00+00:00","description":"Knob and tube wiring in older homes: how to recognize it, why insurers refuse it, and why you replace rather than repair it. Free quote: 514-503-1353.","breadcrumb":{"@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#breadcrumb"},"inLanguage":"en-CA","potentialAction":[{"@type":"ReadAction","target":["https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/"]}]},{"@type":"ImageObject","inLanguage":"en-CA","@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#primaryimage","url":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg","contentUrl":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2026\/07\/gq-boutontube-en.jpg","width":2000,"height":1050},{"@type":"BreadcrumbList","@id":"https:\/\/groupequenneville.com\/en\/knob-and-tube-wiring-danger-solutions\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/groupequenneville.com\/en\/"},{"@type":"ListItem","position":2,"name":"Knob and Tube Wiring: Danger, Insurance and Solutions"}]},{"@type":"WebSite","@id":"https:\/\/groupequenneville.com\/en\/#website","url":"https:\/\/groupequenneville.com\/en\/","name":"Groupe Quenneville","description":"Ma\u00eetre \u00e9lectricien","publisher":{"@id":"https:\/\/groupequenneville.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/groupequenneville.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-CA"},{"@type":"Organization","@id":"https:\/\/groupequenneville.com\/en\/#organization","name":"Groupe Quenneville","url":"https:\/\/groupequenneville.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-CA","@id":"https:\/\/groupequenneville.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2024\/06\/logo.png","contentUrl":"https:\/\/groupequenneville.com\/wp-content\/uploads\/2024\/06\/logo.png","width":851,"height":315,"caption":"Groupe Quenneville"},"image":{"@id":"https:\/\/groupequenneville.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/GroupeQuenneville","https:\/\/www.linkedin.com\/company\/groupe-quenneville-inc\/"]},{"@type":"Person","@id":""}]}},"_links":{"self":[{"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/posts\/8280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/comments?post=8280"}],"version-history":[{"count":2,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/posts\/8280\/revisions"}],"predecessor-version":[{"id":9001,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/posts\/8280\/revisions\/9001"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/media\/8721"}],"wp:attachment":[{"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/media?parent=8280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/categories?post=8280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupequenneville.com\/en\/wp-json\/wp\/v2\/tags?post=8280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}