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Tim's Thoughts

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Industrial Control Wiring, AC Drives, and 3 Phase Motors

Complete & Continue Next Lesson Learn More

Getting the Most Out of Your Course

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Electrical Meter Basics

6 Lessons

Using a Multimeter, Voltmeter, Ammeter, and an Ohmmeter

Fluke T6-1000 with Field Sense. My New Favorite Meter!

Which Multimeter Should You Buy?

What CAT Rating Do You Need in a Multimeter?

Do You Really Need a Fluke Multimeter?

Troubleshooting Motor Issues with Fluke Thermal Cameras

Electrical Wiring Diagrams

1 Lesson

Reading Electrical Wiring Diagrams And Understanding Schematic Symbols

Switches and Sensors

6 Lessons

Industrial Switch Types | Toggle, Push Button, Selector Switch, Etc.

Electrical Contacts - Normally Open And Normally Closed Contacts

Sensor Types Explained. Inductive Proximity, Photoelectric, Capacitive

Control Wiring - Sinking and Sourcing, NPN-PNP Devices and PLC Inputs

PNP vs NPN Sensors. Could Your Machine Have this Problem?

Thermocouple vs RTD. Differences and How Temperature Sensors Work

Relays and Contactors

6 Lessons

Relay Coils and Contact Explained

How to Wire a Relay or Contactor Coil and Contact

Relay Diodes. What Happens if You Connect a Polarized Relay Backwards?

How to Select a Relay. 4 Things YOU Must Know

What is a Solid State Relay? Advantages over Mechanical

Contactors, Relays and Overloads. Don't BURN your motor up!

Circuit Protection

4 Lessons

Circuit Breakers Explained. Types And How They Work

Understanding Circuit Breaker Trip Curves

Circuit Breaker Trip Curve B, C, Or D? Choosing The Right One

UL 489 Branch Vs UL 1077 Supplemental Circuit Breaker Protection

Transformers and Power Supplies

6 Lessons

Transformer Wiring Primary and Secondary

Transformer Overcurrent Protection for Primary and Secondary Windings Using Fuses or Circuit Breakers

Choosing The Right Industrial 24VDC Power Supply

Selecting A UPS For An Industrial Control Panel. AC Or 24VDC

How To Make A 24VDC Power Supply Into A Redundant System.

Diodes On Paralleled Power Supplies To Make A Redundant System

Control Wiring Exercises

4 Lessons

How to Wire Series and Parallel Control Circuits

Control Wiring - 2 Wire Control - ON/OFF Circuit

How to Wire a HOA Hand Off Auto Control Circuit

Hand Off Auto Circuit that Does NOT Start After a Power Failure

Electrical References

5 Lessons

Resistor Color Code Chart and Standard Resistor Values

Wiring - What is VA Volt-Amps and KVA Kilovolt-Ampere and How to Calculate It

Wiring - Maximum Number of Conductors in Conduit

Ohm's Law Power Formulas and Pie Chart

Wire Size and Voltage Drop for Amps - 480/277 VAC

AC Drives and VFD

12 Lessons

Powerflex 525 Keypad And Setting Basic Parameters

Powerflex 525 Reset To Factory Defaults

Poweflex 525 Viewing Input Status

Poweflex 525 2 Wire Control. Wire And Configure

Poweflex 525 3 Wire Control. Wire And Configure a Start/Stop

Poweflex 525 Wire Reverse Operation

Poweflex 525 Potentiometer Speed Control

Poweflex 525 Safe Torque Off STO

Backup Your Powerflex 525 with Connected Components Workbench

Upload And Download Parameters From a Powerflex 525 Control Module

How to Remove the Powerflex 525 Control Module

GFCI On An AC Drive? Yes And No.

AC Motor Basics

6 Lessons

How Do AC Motors Rotate?

Motor Poles & RPM

Proof that Magnetic Fields Make Motors Rotate

Contactors, Relays And Overloads. Don't BURN Your Motor Up!

Horsepower And Amps Of 230VAC And 460VAC 3 Phase 60hz Electric Motors

Horsepower And Amps Of 120VAC 1 Phase 60hz Electric Motors

Running 3 Phase Motors on Single Phase Power

6 Lessons

AC Drives that Support Single Phase Input

Rotary Phase Converter Including 480VAC

How Does A Rotary Phase Converter Work?

How does a Rotary Phase Converter Make TRUE 120 Degree 3 Phase Power?

Rotary Converters and Backfeeding Transformers For 240VAC/480VAC 3 Phase Power

Do Rotary Phase Converters Hurt Sensitive Electronics?

Industrial Control Wiring, AC Drives, and 3 Phase Motors

Complete & Continue Next Lesson Learn More

AC Drives and VFD

GFCI On An AC Drive? Yes And No.

Complete & Continue Next Lesson Learn More

It is a common myth that VFDs will trip a GFCI.

You won't believe what I accidentally did!

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