Electrics Flashcards
What is the 80% rule?
You should only use up to 80% of the total amps available. Leaving you a 20% headroom.
How do you calculate the amps needed to power your lighting rig
Add up the wattage of every fixture and divide it by the standard 120V
What are the standard disconnect sizes
100A, 200A, 400A, 600A, 800A
What are the standard gauges of feeder?
2/0 and 4/0
What style of racks do dimmers come in?
Portable Rack
Installed Rack
Touring Rack
What are the standard dimmer power sizes?
- 4k rated for 2400w
1. 2k rated for 1200w
What is multi-cable?
One cable that contains multiple circuits
How are multi-cable circuits numbered?
Letter for socapex, number for circuit
What is a dimming curve?
A ratio of light output to console fader level
DMX is an 8-bit protocol, what does this mean?
This means that each frame contains 8 bits of data
Wha does blind mode allow you to do?
Make changes without altering the present scene
What are on stage lighting pipes called?
Electrics