25 FEET Of New White Color, 18/3 SVT, PVC (Thermoplastic) covered pulley lamp cord has 3 plastic covered insulated wires that are surrounded by fiber strands, which helps to improve the cord strength, and encased in a tough plastic (outer) covering. This lamp cord is used in pendant & pulley type fixtures, but also gives good service in small, portable appliance use. 18 ga, 105 degree C, 300V, U.L. listed. SVT rating = medium-duty copper wire insulation. .260" outside dia.