The
LH0093 Kulka 1550 is an unshunted tombstone, lampholder, socket and can be slide on or screwed down. It fits G13 medium bipin lamp bases for T8, T10, and T12 fluorescent lamps and has a rating of 660w - 600v. The
LH0093 Kulka 1550 is made from white urea and is UL (E13408) and CSA listed (LR95423) certified.
Link to T8,T10,T12,lamps that fit this socket