The LH0003 H.H.Fluorescent 726W is a tombstone socket medium bipin (G13) lamp holder for linear fluorescent or LED lamps, It is flush mount with an untapped center hole. The 1-726W is non-shunted and a butt on mounting type. It is rated at 660w and 600v and has quick connects for easy witing. The LH0003 H.H. Fluorescent 1-726W is comparable or equal to the ALP 208, DM: Y68-9, 85614, Golo SC600 and the Triboro 645A-6. It measures 1.370 x 0.469 x 1.437.
Link to T8,T10,T12, lamps that fit this socket