{"product_id":"e27-st64-filament-bulb-40w-2700k-clear-glass-vintage-edison","title":"E27 ST64 Filament Bulb, 40W, 2700K, Clear Glass, Vintage Edison","description":"\u003c!-- v19.1 --\u003e\n\u003ch2 style=\"font-size:16px;font-weight:400;line-height:1.8;margin:0 0 8px 0;color:#121212;\"\u003eE27 ST64 Filament Bulb 40 W 2700 K Clear Glass — Vintage Edison Shape, 30,000 h, 220–240 V\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px;line-height:1.8;margin:0 0 28px 0;color:#121212;\"\u003eE27 large screw filament bulb in the classic elongated ST64 Edison shape — clear glass, visible filament, 40 W, 2700 K warm white, rated 30,000 hours, 220–240 V. Suited to exposed-socket pendants, festoon strings, Christmas tree clusters, and any fitting where the bulb silhouette is part of the display.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 12px 0;\"\u003eTechnical specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:15px;margin:0 0 28px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);width:48%;\"\u003eCap type\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003eE27 — large screw\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eWattage\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003e40 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eColour temperature\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003e2700 K — warm white\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eBulb shape\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003eST64 — elongated Edison — visible filament — clear glass\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eLifetime\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003e30,000 hours\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eVoltage\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003e220–240 V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px 12px 8px 0;color:rgba(18,18,18,0.55);\"\u003eDimmable\u003c\/td\u003e\n      \u003ctd style=\"padding:8px 0;color:#121212;font-weight:500;\"\u003eCheck fitting compatibility before installing a dimmer\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 12px 0;\"\u003eST64 Edison Bulb — elongated silhouette, visible filament, warm 2700 K glow\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.8;margin:0 0 16px 0;color:#121212;\"\u003eThe ST64 is the elongated, tubular-bodied Edison shape — taller and narrower than a standard globe, with a distinctive shoulder that tapers to the cap. At 64 mm in diameter and approximately 140 mm in height, it has a strong visual presence in exposed-socket fittings, festoon strings, and Christmas tree clusters where the bulb itself is the decorative element. The clear glass allows the filament to read clearly from a distance — in a festoon string or multi-bulb pendant, the filament pattern across several bulbs creates the visual effect. At 2700 K, the output is warm white, close to the tone of a traditional incandescent and flattering to wood, brass, and warm-toned interiors. At 40 W, the output is sufficient for ambient and decorative use; it is not a task light. Confirm the cap type is E27 (large screw) and check the bulb dimensions against your fitting before ordering.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.8;margin:0 0 28px 0;color:#121212;\"\u003eFor Christmas tree use, multiple bulbs on the same festoon circuit create a cluster effect — the filaments visible through the branches give a warmer, more considered result than standard fairy lights. For year-round use in exposed pendants or industrial-style wall lights, the ST64 shape suits interiors with a vintage, industrial, or rustic character. At 40 W per bulb, check the total wattage against your festoon cable’s maximum load before ordering multiple bulbs on the same circuit. Browse our \u003ca href=\"\/collections\/fairy-festoon-lights\" style=\"color:#121212;font-weight:700;\"\u003efairy \u0026amp; festoon lights collection\u003c\/a\u003e or read our \u003ca href=\"\/blogs\/news\/home-lighting-ideas-ireland-2026\" style=\"color:#121212;font-weight:700;\"\u003ehome lighting ideas guide\u003c\/a\u003e. Standard delivery is 5–7 working days — free on orders over €50.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 4px 0;\"\u003eCommon questions\u003c\/h3\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:10px 0;\"\u003e\n  \u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\n    \u003ch4 style=\"margin:0;font-size:15px;font-weight:600;color:#121212;\"\u003eWhat is the difference between ST64 and other Edison bulb shapes?\u003c\/h4\u003e\n    \u003cspan style=\"color:#b8972a;font-size:18px;font-weight:700;\"\u003e+\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cp style=\"font-size:14px;line-height:1.7;color:rgba(18,18,18,0.65);margin:8px 0 0 0;\"\u003eST64 refers to the shape code: ST = straight taper, 64 = 64 mm maximum diameter. It is taller and more elongated than a G95 globe (rounder) or a G45 small globe. The ST64 silhouette is the most recognisable vintage Edison shape — the one most associated with festoon strings and exposed-bulb industrial pendants. If your fitting has a narrow socket or limited internal height, check the bulb dimensions (approx. 64 mm × 140 mm) before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:10px 0;\"\u003e\n  \u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\n    \u003ch4 style=\"margin:0;font-size:15px;font-weight:600;color:#121212;\"\u003eHow many bulbs do I need for a Christmas tree?\u003c\/h4\u003e\n    \u003cspan style=\"color:#b8972a;font-size:18px;font-weight:700;\"\u003e+\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cp style=\"font-size:14px;line-height:1.7;color:rgba(18,18,18,0.65);margin:8px 0 0 0;\"\u003eFor a 6–7 ft tree with an exposed-socket festoon cable, 10–15 bulbs gives a full, even result. For a smaller 4–5 ft tree, 6–8 bulbs is sufficient. Space the sockets evenly through the branches rather than concentrating them at the tips — the filament glow reads better from inside the tree. At 40 W per bulb, check the total wattage against your festoon cable’s maximum load before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:10px 0;\"\u003e\n  \u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\n    \u003ch4 style=\"margin:0;font-size:15px;font-weight:600;color:#121212;\"\u003eCan I use this bulb outdoors?\u003c\/h4\u003e\n    \u003cspan style=\"color:#b8972a;font-size:18px;font-weight:700;\"\u003e+\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cp style=\"font-size:14px;line-height:1.7;color:rgba(18,18,18,0.65);margin:8px 0 0 0;\"\u003eThe bulb itself has no IP rating and is not weatherproof on its own. For outdoor festoon strings, the cable and sockets must provide the weatherproofing — confirm they are rated for outdoor use before installing. The bulb must be fully seated in a weatherproof socket to be protected from rain.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:10px 0;\"\u003e\n  \u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\n    \u003ch4 style=\"margin:0;font-size:15px;font-weight:600;color:#121212;\"\u003eIs this bulb dimmable?\u003c\/h4\u003e\n    \u003cspan style=\"color:#b8972a;font-size:18px;font-weight:700;\"\u003e+\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cp style=\"font-size:14px;line-height:1.7;color:rgba(18,18,18,0.65);margin:8px 0 0 0;\"\u003eDimmability depends on the specific LED driver inside the bulb and your dimmer switch type. Check the bulb packaging or product datasheet for dimmable confirmation before pairing with a dimmer. Using a non-dimmable bulb on a dimmer circuit can cause flickering or reduce bulb lifespan.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:10px 0;\"\u003e\n  \u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\n    \u003ch4 style=\"margin:0;font-size:15px;font-weight:600;color:#121212;\"\u003eWill the filament be visible through a frosted or opaque shade?\u003c\/h4\u003e\n    \u003cspan style=\"color:#b8972a;font-size:18px;font-weight:700;\"\u003e+\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cp style=\"font-size:14px;line-height:1.7;color:rgba(18,18,18,0.65);margin:8px 0 0 0;\"\u003eNo — the decorative filament effect is only visible through a clear or open shade. In a frosted, opaque, or fabric shade, the bulb will function normally but the filament silhouette will not be visible. This bulb is best used in exposed-socket fittings, open pendants, or festoon strings where the bulb is part of the visual display.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp style=\"border-top:1px solid #b8972a;padding-top:12px;font-size:14px;line-height:1.8;color:#121212;margin:24px 0 0 0;\"\u003eShop the full \u003ca href=\"\/collections\/led-bulbs\" style=\"color:#121212;font-weight:700;\"\u003eLED bulbs range\u003c\/a\u003e or find festoon inspiration in our \u003ca href=\"\/blogs\/news\/home-lighting-ideas-ireland-2026\" style=\"color:#121212;font-weight:700;\"\u003ehome lighting ideas guide\u003c\/a\u003e. \u003ca href=\"\/policies\/shipping-policy\" style=\"color:#121212;font-weight:700;\"\u003eFree delivery over €50\u003c\/a\u003e — \u003ca href=\"\/policies\/refund-policy\" style=\"color:#121212;font-weight:700;\"\u003e30-day free returns\u003c\/a\u003e.\u003c\/p\u003e","brand":"Lighting Dublin","offers":[{"title":"Default Title","offer_id":49199122677997,"sku":"26039607-st64-christmas-tree-e27-220v-40w","price":5.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/4600\/9325\/files\/product-image-1408503096.jpg?v=1767130791","url":"https:\/\/lighting-dublin.com\/products\/e27-st64-filament-bulb-40w-2700k-clear-glass-vintage-edison","provider":"Lighting Dublin","version":"1.0","type":"link"}