{"product_id":"square-2d-16w-2-pin-fluorescent-tube-compact-white-4000k-design","title":"Square 2D 16w 2 Pin Fluorescent Tube – Compact White 4000K Design","description":"\u003ch3\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis 2D 16-watt 2-pin fluorescent tube features a distinctive square-shaped design that delivers uniform, space-efficient illumination ideal for decorative and functional lighting fixtures. The 2D configuration, also known as a double D or square compact fluorescent lamp, provides broad, even light distribution across its 133mm x 133mm footprint, making it particularly suitable for ceiling-mounted fittings, bathroom lighting, and commercial display units where a low-profile aesthetic is desired. Operating with a compatible magnetic ballast (typical for 2-pin configurations), it produces a clean white light at 4000K, offering balanced, neutral illumination that enhances visibility without harshness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEngineered with a 2-pin base, this lamp is designed for straightforward installation in dedicated 2D fittings commonly found in residential, hospitality, and commercial environments. With an average rated life of approximately 10,000 hours, it provides extended service life that reduces maintenance frequency and replacement costs. The non-dimmable operation ensures stable, flicker-free performance, making it a dependable choice for kitchens, bathrooms, hallways, retail displays, and office areas where consistent, energy-efficient lighting in a compact square form factor is essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKEY FEATURES\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eUnique Square 2D Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Distinctive square shape provides broad, even light distribution in a compact 133mm x 133mm footprint.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEnergy-Efficient Operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Consumes only 16 watts, offering significant energy savings compared to traditional lighting alternatives.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eExtended Service Life\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Rated for approximately 10,000 hours of average use, minimizing lamp replacement frequency.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNeutral White Light\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Provides 4000K color temperature, offering balanced illumination suitable for residential and commercial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e2-Pin Base Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Designed for fixtures requiring a 2-pin 2D connection, typically used with magnetic ballasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWattage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eLamp Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2D Compact Fluorescent (Square)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBase Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eColor Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4000K (White)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDimmability\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-dimmable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAverage Rated Life\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 10,000 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLength: 133mm, Width: 133mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cbr\u003eFrequently Asked Questions (FAQs)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e1. What type of ballast is required for this 2D 16w 2-pin tube?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis lamp is designed for fixtures with a magnetic ballast typically used in 2-pin 2D fittings. It is not compatible with electronic ballasts designed for 4-pin versions or direct mains voltage connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e2. Is this lamp dimmable?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNo, this 2D 16w fluorescent tube is non-dimmable. Using it with a dimmer switch may cause flickering, reduced lamp life, or damage to the lamp and ballast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e3. What is the difference between 2-pin and 4-pin 2D lamps?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2-pin 2D lamps are designed to operate with magnetic ballasts, while 4-pin versions are intended for electronic ballasts. Always check your fixture’s ballast type and existing lamp configuration before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e4. Can I use this to replace a 28w or 38w 2D lamp?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNo, replacement must be made with a lamp of the same wattage and pin configuration unless the fixture manufacturer specifies otherwise. This 16W model is intended as a direct replacement for other 16W 2-pin 2D tubes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e5. Where is this lamp best applied?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIts compact square design makes it ideal for flush-mounted ceiling fittings, bathroom lighting, kitchen under-cabinet fixtures, hallway lights, retail display cases, and hospitality settings where a low-profile, space-efficient lighting solution with neutral white output is desired.\u003c\/span\u003e\u003c\/p\u003e","brand":"CK-Electricals","offers":[{"title":"Default Title","offer_id":57192952398206,"sku":null,"price":5.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/2D16.jpg?v=1774977075","url":"https:\/\/ssmelectric.co.uk\/products\/square-2d-16w-2-pin-fluorescent-tube-compact-white-4000k-design","provider":"SSM ELECTRIC","version":"1.0","type":"link"}