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7. Industrial Machines NFPA 79

This course has proven to be a valuable tool for those who work with industrial machines and control panels. It answers several questions for maintenance and construction personnel, including issues such as identification and control panel requirements for conductors, overcurrent protection, grounding, bonding, shielding, disconnects, interlocks and differential system voltages. Each course relates to an electrical safety hazard applied to warn the electrical worker that a potential electrical hazard exists. This course will make you aware of deficiencies that should be corrected immediately.

Volume 1

Topics include:

• Industrial machines enforcement, environment and liability
• Basic circuitry
• Identification requirements
• Control panels, control transformers, nameplate data requirements
• Ampacity of machine feeders
• Size of grounding and bonding
• Color code requirements
• Understanding and application of nameplate data
• Disconnecting requirements for machines
• Power Quality issues as related to industrial machines, effects of power quality issues on machines
• Minimum and maximum voltage requirements
• Frequency requirements
• Harmonic distortion problems
• Voltage imbalance and impulse

Volume 2

Topics include:

• Application of wire, conductors and cables, conductor ampacity, interlock and disconnect requirements
• Equipment marking and identification
• Motor nameplate information application
• Communication diagram plans
• Safety signs
• Power distribution within a machine

Volume 3

Topics include:

• Identification of industrial machines, conductors of different voltages and sources
• Power and control requirements
• Remote input/output requirements
• Signaling requirements
• Industrial machine grounding requirements, grounding symbols, grounding conductor identification of AC/DC systems
• Identification of ungrounded conductor requirements

Volume 4

Topics include:

• Over-current protection requirements, available fault currents, current limiting, coordination, overload and over-current
• Tap rules
• OCPD applications

1. Understanding Basic Electricity for Electrical Safety
2. OSHA Electrical Requirements - CFR 1910 Subpart S., Below 600 Volts
3. Guide to Electrical Safety Work Practices - NFPA 70 E
4. Guide to the National Electrical Code for Field Use - NFPA 70
5. Grounding Bonding Shielding
6. Preventive and Predictive Maintenance Standard - NFPA 70 B
7. Industrial Machines - NFPA 79
8. OSHA Electrical Requirements – CFR 1910.269 Above 600 Volts

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