Electrical Rigging Calculations

Electrical Rigging Calculations - Having fun as a Rigging Gaffer or Best Boy Part 1
Part 1 of an ongoing series for Set Lighting Technicians who want to advance in their craft

Topics for this class include:

Voltage Drop? What? I'm not worried…
What's the difference between running incandescent and HMI's? What about Dimmers?
What's the neutral do? Why run more of them?
Calculate amperage using resistance and voltage - why is this important?
Calculate Voltage drop - 120/240V, 120/208V, 277/480V
Single and 3 phase calculations - with generators and transformers
Generators vs. Company Switch
Breakers vs. Fuses - what are they designed to do? Do they protect people or equipment?
Ground Fault - What's the green wire do? How is it different than a bonding conductor?
Properly identifying phases - 120/208/240/277/480
When and why to use a transformer on location?
What happens to our power when you run lots of rectified power sources?
How do we know what to calculate for?
Talking with the Gaffer/DP
Talking with the LCP - What fixtures will be used? Different fixture types can have an impact on the power loading. How does cueing affect power?

This class covers topics listed in the Content Outline for the ETCP Entertainment Electrician and Portable Power Distribution Technician Certification exams.