These high-temperature heating tapes are made of resistance wires that are insulated with braided fiberglass knitted into a flat tape and covered with heavy fiberglass fabric. The 120 VAC tapes include a standard two-prong plug. Warning: heating tapes should not be overlapped and require the use of a temperature or power controller sold separately. Flexible, multipurpose, direct-contact heaters are ideal for use on conductive surfaces maximum exposure temperature of 900°f (482°c). choose from power leads on same end or on opposite ends. Heavy-duty insulated design. Nongrounded