Written and presented by Jim Johnson, this HVACR technician training course presents an overview of the fundamentals of schematic diagrams. With a firm understanding of the fundamentals of wiring ...

Rule 1: Read first to learn how the circuit works, then redraw to troubleshoot. Rule 2: When tracing a circuit, always work from the load to the battery, or from negative to positive. Rule 1: Read ...

As a marine electrician, I previously used colored pens to hand-draw electrical schematics for the custom, sport-fishing boats our firm builds. The drawings were then sent to an in-house architect for ...

An electrical schematic diagram might look like a nonsensical drawing to the layman, but to the electrical engineer, it’s a high-level documentation that provides a ton of insight and instruction. The ...

Engineers of vehicle electrical systems require a means for routing electric lines and harnesses through complex assemblies and then detailing those assemblies for manufacturing. When the electric ...