Final answer:
The statement is false; while high-voltage wires are held aloft by insulating connectors, the wires themselves are not wrapped in insulating material but instead are typically bare.
Step-by-step explanation:
The statement 'True or false-The high-voltage wires that you see connected to tall metal-frame towers are held aloft by insulating connectors, and these wires are wrapped in an insulating material.' is false. High-voltage power lines that connect to metal-frame towers, commonly known as transmission towers or electricity pylons, are indeed held up by insulating connectors. These connectors are critical in preventing the electricity from arcing to the towers and grounding out. However, the wires themselves are not wrapped in insulating material. Instead, they are usually bare and uninsulated. The air around the wires serves as a sufficient insulator at the high altitudes where the lines are located, keeping them separated from each other and from surrounding structures.