The LH0028 H.H. Fluorescent 1-1650SW-1-2 is a heavy-duty, commercial-grade fluorescent lampholder/tombstone designed for linear T8, T10, and T12 fluorescent tubes or U-bend lamps with a standard G13 medium bi-pin base. Constructed with high-heat resistant, durable thermoplastic material, this non-shunted socket is rated for up to 660W and 600V, making it suitable for both standard fluorescent fixtures and direct-wire T8 LED tube retrofits. The LH0028 H.H. Fluorescent 1-1650SW-1-2 features a slide-on mounting design tailored for 18-gauge sheet metal panel thickness and a straight-insertion lamp style. Equipped with quick-connect push-in terminals, it streamlines fixture manufacturing, maintenance, and field installations while providing secure electrical contact.