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Electrical Course Modules for the IATSE Training Trust Fund
Day One
1) Basic Electricity
a) 4 principles of electricity
i) Electrons flow of electrons through a conductor
ii) Results from a difference of potential
iii) Returns to source through a complete circuit
iv) Favors the path of least resistance
b) Watt’s and Ohm’s Law
i) Definitions
(1) Watts
(2) Volts
(3) Amps
(4) Resistance
ii) Ohm’s Law
(1) relationship between current, voltage, and resistance
iii) Watt’s Law
(1) relationship between current, voltage, and Power
c) Parts of the circuit
i) Source
(a) Generator
(b) Transformer/Utility
(c) Battery
(2) Conductor
(a) Size
(b) Insulation
(c) Material
(3) Control Device (Optional)
(a) Switch
(b) Relay
(c) Dimmer
(d) Ballast
(e) Power supply (LED)
(4) Load
(5) Overcurrent Protection (Optional, and in the case of Circuit Breakers, may
also act as the controler)
(a) Circuit Breakers
(b) Fuses
(c) Motor Starters
d) Electrical Hazards
i) Shock
ii) Fire
iii) Arc Flash/Arc Blast
iv) Ground Faults
v) Short Circuits
e) Grounding/Bonding Equipment
Electrical Course Modules for the IATSE Training Trust Fund
i) Definitions
(1) Bonded
(2) Bonding Jumper
(3) Bonded (Bonding)
(a) A reliable conductor to ensure the required electrical conductivity
between metal parts required to be electrically connected.
(4) Bonding Conductor
(a) A reliable conductor to ensure the required electrical conductivity
between metal parts required to be electrically connected.
(5) Ground
(6) Grounded
(7) Grounding
(8) Ground-Fault Circuit Interrupter
(9) Ground-Fault Current Path
(10) Ground-Fault Protection of Equipment
f) Voltage Systems
i) Single Phase 120V/240V
ii) Three Phase 120V/208V
iii) Three Phase 277V/480V
iv) Phase ID & Connection/Disconnection Sequence
2) Electrical Distribution Equipment
a) Company Switch
b) Spider Box
c) Distribution Box/PD/Distro
d) Gang box/Lunch box
e) Cable
i) Extra Hard Usage Cable (S, SO, SOW)
ii) Hard Usage Cable (SJ, SJO, SJOW
iii) Single Conductor Cable (W, PPE, SC, SCE, SCT)
(1) 4/0 Single conductor cable
(2) 2/0 Single conductor cable
(3) #2 Single conductor cable
(a) #2 Banded single conductor cable
iv) Stage Pin Cable
(1) 100A Stage Pin Extensions
(2) 60A Stage Pin Extensions
(3) 20A Stage Pin Extensions
v) 20A U-Ground/Edison cable “Stingers”
(a) Music Stand strings
vi) Locking (Twist) Cables
(1) Moving Light Cable
(2) Hoist (Dual Twist) Cables
vii) Multi-Circuit Cables
(1) 19 Pin (Socopex) Cable and Breakouts
(2) 7 Pin (Hoist) Cable
(3) 37 Pin Cable (Pyle) [Obsolete]
Electrical Course Modules for the IATSE Training Trust Fund
f)
g)
h)
i)
j)
k)
l)
viii)Other Cables
(1) Control
(2) UTP
Connectors
i) Camlok connectors
ii) Lug Connectors
iii) Stage Pin connectors
iv) Multi-Pin connectors
v) NEMA Connectors (Locking/twist, Straight Blade/Edison)
(1) U-Ground (Straight Blade/Edison)
(a) Duplex receptacle
(2) Locking (Twist)
(a) L6-20 Connectors (Moving Light)
vi) Other Connectors (Pin & Sleeve)
Splitters, Taps, and Adaptors
i) Two-fers
(1) Three-fers
ii) Cam Tees
iii) Ground Squids
iv) Snake Bites
v) Gender Changers
vi) Connector Changers
All thermoplastic parallel cord (STP-1) (Zip Cord)
i) 18/2 (STP-1) Zip Cord
(1) Polarized Connections
(2) Quick-on Connectors
Dimmers
i) Installation racks
ii) Rolling Racks
iii) Packs
Switches
GFCI
i) Class A (6mA)
ii) Class C? (20mA)
Lamps
i) Incandescent
ii) Arc discharge
iii) Other
Electrical Course Modules for the IATSE Training Trust Fund
Day 2
3) Basic Electrical Theory
a) Circuits
i) Types
(1) Series
(2) Parallel
ii) Distribution
(1) Feeder
(2) Branch
b) Power Generation
i) Magnetic fields
(1) Electromagnetism
ii) Types of power generation
(1) Mechanical/Physical
(2) Chemical
c) Generator & Transformer Sizing
i) kW Calculations
ii) kVA Calculations
d) Grounding/Bonding Systems
i) Definitions
e) Voltage Drop
i) Hazards
ii) Causes
iii) Symptoms
iv) Calculations
v) Solutions
4) Electrical Metering Function & Safety
a) Meters & test equipment
i) VOM
ii) Amp Meter
iii) DMX Tester
iv) Network tools
v) Circuit Testers
(1) Branch circuit
(2) Mutli – Pole (Soco)
vi) Phase rotation
b) Safety
i) Meter categories
ii) Listing
iii) Inspection
iv) Techniques
(1) Connection order
(2) Three point technique
v) PPE
5) Advanced Power Theory
Electrical Course Modules for the IATSE Training Trust Fund
a) Harmonics
i) Hazards
ii) Causes
iii) Symptoms
b) Phase Angle
i) Inductance
ii) Capacitance
iii) Power Factor
(1) Power factor calculations
(2) Power factor correction
6) NEC Fundamentals
a) Overview of the NEC
b) How to use the NEC
c) How to change the NEC
d) Scope
i) What is covered
ii) How it affects the entertainment industry
iii) What to do when a topic is not covered
iv) Responsibility of the qualified person
e) Article 240 (Overcurrent Protection)
f) Article 250 (Grounding and Bonding)
g) Article 518 (Assembly Occupancies)
h) Article 520 (Theaters, Audience Areas of Motion Picture and Television Studios,
Performance Areas, and Similar Locations)
i) Article 525 (Carnivals. Circuses, Fairs, and Similar Events)
j) Article 530 (Motion Picture and Television Studios and Similar Locations)
k) Article 540 (Motion Picture Projection Rooms)
l) Relationship of NEC to OSHA