The common electrical terms line and load have very basic meanings, and often describe a wire's position relative to the device it's connected to.
What is the difference between load and line wires? - Quora
Lumos Controls 0-10V Wiring: It's Not as Difficult as You Think!
Energies, Free Full-Text
Can I use THHN for Tracer Wire? What is the Difference with TW/THW?
The Basics of Load Cell Wiring and Trimming
Understanding Neutral, Ground, Grounding, and Bonding
Ground, Neutral and Hot wires (US/Can) - The Engineering Mindset
Rewire a Switch that Controls an Outlet to Control an Overhead
Reactors in a Power System - Technical Articles