Question

In order to connect a customer to a dialer-style enterphone system, you need to run jumpers to the In and Out ports of the enterphone in the Main Telephone Room (MTR).

a) True
b) False

Answer 1

It is false that high-voltage wires connected to metal towers are insulated with material. They are suspended by insulating connectors, with air acting as the insulator.

Step-by-step explanation:

The statement that high-voltage wires, such as those connected to tall metal-frame towers, are wrapped in an insulating material is false. These wires are typically not insulated because the air around them acts as a sufficient insulator. Instead, they are held aloft by insulating connectors to prevent the electricity from traveling down the towers. The vast space between the wires and any grounded object provides the necessary insulation to prevent arcing and other electrical discharge events, allowing the electricity to travel over long distances without significant loss. In populated areas, where the safety of the customer and maintenance personnel is critical, insulating materials might be used to cover lower voltage lines for added protection.