6.12: Tools Checklist and Tips!
- Page ID
- 43375
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Essential Tools for Electrical and HVAC Work
General Hand Tools:
✔ Insulated screwdrivers (Phillips & flathead)
✔ Adjustable wrench
✔ Wire strippers and crimpers
✔ Needle-nose pliers
✔ Hex key set (Allen wrenches
Electrical Testing & Troubleshooting Tools:
✔ Digital multimeter (for voltage, current, and resistance testing)
✔ Clamp meter (for measuring amp draw on motors)
✔ Non-contact voltage tester (for checking live wires)
✔ Continuity tester (for circuit diagnostics)
✔ Circuit tracer (for identifying electrical paths)
Wiring & Installation Tools:
✔ Wire labels and markers (for easy identification)
✔ Conduit bender (for routing electrical conduits)
✔ Fish tape (for pulling wires through conduits)
✔ Heat shrink tubing (for insulating wire connections)
✔ Terminal block and connector kit (for secure electrical connections)
Control Systems & Safety Tools:
✔ Programmable logic controller (PLC) tester (for verifying automation systems)
✔ Thermostat tester (for HVAC control diagnostics)
✔ Electrical lockout/tagout (LOTO) kit (for safety compliance)
✔ Personal protective equipment (PPE) (gloves, safety glasses, arc flash gear)
✔ Grounding rod and tester (for proper electrical safety)
Pro Tips for Electrical & HVAC Maintenance
✔ Turn off power at the breaker before working on electrical circuits.
✔ Label wires and terminals to simplify future troubleshooting.
✔ Use proper wire gauge for the application to prevent overheating.
✔ Test voltage before touching any wires using a non-contact tester.
✔ Secure electrical connections with wire nuts or terminal blocks.
✔ Keep wiring diagrams accessible for quick troubleshooting.
✔ Follow proper grounding procedures to prevent electrical hazards.
✔ Inspect capacitors for swelling or leaks before replacing components.
✔ Use a clamp meter to check compressor and fan motor amp draw.
HVAC Electrical System Maintenance Checklist
✔ Inspect wiring for signs of wear or corrosion.
✔ Tighten all electrical connections to avoid loose terminals.
✔ Test circuit breakers and fuses for proper operation.
✔ Check motor windings for continuity and resistance.
✔ Verify proper voltage and amperage draw on electrical components.
✔ Inspect contactors and relays for carbon buildup or pitting.
✔ Ensure correct thermostat function and recalibrate if needed.
✔ Examine electrical enclosures for proper sealing against moisture.
✔ Check for proper phase rotation on three-phase systems.
✔ Test ground fault circuit interrupters (GFCIs) for safety compliance.
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Image: Capacitor Discharge Pen
Image 2: Digital Capacitor Tester