Professional Answer: A comprehensive diagram for an overhead transmission line will typically show the following components:

• Conductors: The bare wires that transmit electricity, often represented by single lines on an SLD.

• Insulators: Devices that prevent the conductors from making contact with the support structures, ensuring electrical safety.

• Support Structures: These can be wooden poles, steel poles, or lattice steel towers, which hold the conductors at a safe height above the ground.

• Ground Wires/Lightning Arrestors: Wires at the very top of the towers to protect the conductors from lightning strikes.

• Cross Arms: Structures mounted on the support towers to hold the insulators and maintain a safe distance between conductors.

• Vibration Dampers: Devices installed on conductors to prevent damage from wind-induced vibrations.