{"product_id":"square-2d-16w-4-pin-fluorescent-tube-electronic-ballast-compatible-white-4000k","title":"Square 2D 16w 4 Pin Fluorescent Tube – Electronic Ballast Compatible White 4000K","description":"\u003ch3\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis 2D 16-watt 4-pin fluorescent tube combines the distinctive square-shaped design with advanced electronic ballast compatibility, offering improved energy efficiency, quieter operation, and reduced flicker compared to traditional magnetic ballast systems. The 2D configuration, featuring a compact 133mm x 133mm footprint, delivers broad, even light distribution ideal for low-profile ceiling fittings, decorative luminaires, and commercial display units where a sleek aesthetic is paramount. Operating with a compatible electronic ballast (typical for 4-pin configurations), it produces a clean white light at 4000K, providing balanced, neutral illumination that enhances visibility while maintaining a comfortable ambient atmosphere.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEngineered with a 4-pin base, this lamp is specifically designed for dedicated 2D fittings equipped with electronic control gear, a configuration commonly found in modern residential, hospitality, and commercial installations. With an average rated life of approximately 10,000 hours, it offers extended service life that significantly reduces maintenance frequency and replacement costs. The non-dimmable operation ensures stable, flicker-free performance, making it a reliable choice for kitchens, bathrooms, hallways, retail displays, offices, and contemporary living spaces 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\u003eSquare 2D Design with Electronic Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Distinctive square shape provides broad, even light distribution in a compact 133mm x 133mm footprint; 4-pin configuration designed for electronic ballasts.\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 with the added efficiency benefits of electronic ballast operation.\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\u003e4-Pin Base Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: Designed specifically for fixtures utilizing electronic ballasts, ensuring improved performance and reduced flicker.\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\u003e4 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\u003eFrequently Asked Questions (FAQs)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e1. 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 like this 16W lamp are intended for electronic ballasts. Check your fixture’s ballast type before purchase to ensure compatibility.\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 4-pin fluorescent tube is non-dimmable. Using it with a dimmer switch may cause flickering, reduced lamp life, or damage to the lamp and electronic ballast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e3. Can I use this 4-pin lamp in a fixture designed for a 2-pin 2D tube?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNo, the pin configuration and ballast requirements are different. A 4-pin lamp requires an electronic ballast, while a 2-pin fixture uses a magnetic ballast. Always match the pin configuration and ballast type.\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 4-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 and electronic ballast compatibility make it ideal for modern flush-mounted ceiling fittings, bathroom lighting, kitchen fixtures, hallway lights, retail display cases, and contemporary residential and commercial spaces where quiet, flicker-free, low-profile illumination is desired.\u003c\/span\u003e\u003c\/p\u003e","brand":"CK-Electricals","offers":[{"title":"Default Title","offer_id":57192974582142,"sku":null,"price":5.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/2D16_a71b3ae6-2c3c-4679-9c25-b0da0c9f922b.jpg?v=1774977368","url":"https:\/\/ssmelectric.co.uk\/products\/square-2d-16w-4-pin-fluorescent-tube-electronic-ballast-compatible-white-4000k","provider":"SSM ELECTRIC","version":"1.0","type":"link"}