TRANSFORMERS - What They Are, How They Work, How Electricians Size Them

Let’s open up a transformer and dig through it to see how they work. Transformers are extremely useful devices used in electrical systems to raise and lower voltage. They’re also used for isolation, typically in cleaning up power. They only exist in the world of Alternating Current, however, so in...

Intermediate - 26 min - Trades & Construction - Electrician U

The full course: Learn Electrician Skills free

What you'll need

Klein electrician tool set: Strippers, pliers and drivers apprentices use. - View on Amazon
Non-contact voltage tester: Check before you touch, every time.
Digital multimeter: Measure voltage, current and continuity.
Wire strippers: Clean strips without nicking copper.
NEC code book: The rulebook every exam is built on.
Insulated screwdriver set: Rated for electrical work.

Books

Wiring Simplified by H. P. Richter - View on Amazon
Black & Decker The Complete Guide to Wiring by Editors of Cool Springs Press - View on Amazon
Ugly's Electrical References by Charles R. Miller - View on Amazon
Electrician's Exam Study Guide by Kimberley Keller - View on Amazon
Electrical wiring, industrial by Smith, Robert L. - View on Amazon

Next lessons

5 Formulas Electricians Should Have Memorized! (17 min, Electrician U, Intermediate)
Episode 3 - How To Wire For and Install A Switch (28 min, Electrician U, Intermediate)
How Do Circuits Work? Volts, Amps, Ohm's, and Watts Explained! (15 min, Electrician U, Intermediate)
How Should I Price Out Jobs? 5 Different Methods You Can Use to Estimate a Job! (23 min, Electrician U, Intermediate)
How To Bend EMT Conduit/Tubing - HOW ELECTRICIANS BEND 90s, OFFSETS, BOX OFFSETS, & KICKS (47 min, Electrician U, Intermediate)
Why KW and KVA Are NOT The Same Thing (Even If They Seem Like It) (13 min, Electrician U, Intermediate)
Everything You Need to Know About Electrical Panels (25 min, Electrician U, Beginner)
Pulling Wire Like a Pro - Tips and tricks for pulling conductors through conduit (28 min, Electrician U, Intermediate)