The LH1175 A.A.G. Stucchi 289-SN-15-PBT is a professional-grade tombstone lamp holder manufactured in Italy for G5 base T5 fluorescent and LED linear tube lights. Constructed with a heat-resistant white polybutylene terephthalate (PBT) thermoplastic body and premium copper alloy contacts, it delivers high durability and stable electrical conductivity. Rated for 2A at 500V (and up to 120W-600V under UL standards) with an operating temperature tolerance of T140, this compact socket is engineered for commercial, industrial, and architectural lighting fixtures. It features automatic push-wire terminals for swift conductor installation, integrated top test entry points for easy circuit checking, and a push-through snap-in mounting system without stop nibs to streamline fixture manufacturing and field maintenance.