What it does
Electrical wires carry current within limits set by conductor size, insulation and installation.
Try in the lab
Compare wire markings and use only instructor-approved low-voltage wiring for student projects.
Before you begin
- Identify the exact model supplied and read its manufacturer instructions.
- Inspect the item, connections and work area with your instructor.
- Match power, accessories and protective equipment to the actual task.
- Record observations and stop if the equipment behaves unexpectedly.
