The LH0053 HH 1450RW-10 lamp holder is unshunted and has an attached starter base. It fits G13 medium bipin lamp bases and has a starter rating of 660w - 600v. The LH0053 HH 1450RW-10 is made of polycarbonate and is UL and CSA listed. It has a screw down mounting style and quick connect wiring. ...