National Electrical Codes Training Course
Electrical and Power Engineering
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National Electrical Codes Training Course
Course Overview:
The course offers to delve into the history and the intricate details of the timeline of the National Electrical Code of 2008 and how it plays a role in assisting the NESC and OSHA Structural Code. Furthermore,
The learners will understand the equipment’s good placement practices, the concepts of grounding and bonding, overcurrent protection methods, and wiring methods.
The course also includes electrical math, sizing of branch circuits and feeders, service drop installations and temporary wiring methods all centered around the NEC guidelines.
Intended for engineers, inspectors, contractors, and project managers, this class empowers the students with the skills necessary to perform safe and efficient electrical installations while complying with NEC standards.
Course Objectives:
Upon the successful completion of this course, the participants will be able to:
- Define the layout of the 2008 National Electrical Code, the relationship between the National Electrical Code and the National Electrical Safety Code and distinguish between NEC and OSHA examination, installation, and use requirements.
- Enumerate the proper locations for electrical equipment to provide for proper working clearances and free space requirements and determine proper methods of identification for grounded conductors, grounding conductors, and multiwire branch circuits.
- Formulate installation requirements for services and define bonding and grounding requirements for services, feeders, branch circuits, and utilization equipment and selecting the proper size and location of overcurrent protection for various types of utilization equipment and identify the requirements for temporary wiring and GFCI applications.
- Recognize the acceptable wiring methods and materials including recent changes in acceptable industrial wiring methods and materials and select the proper size of raceway, fitting, and boxes including wire bending space, component sizing, and conductor identification.
Who Should Attend?
Typical participants are Electrical Engineers, Safety Engineers, Project Managers, Inspectors, Contractors, and Journeymen who must depend on effective skills and knowledge of the NEC®. Participants must bring a calculator to the course. The course outline may be modified to suit the current code.
Course Outlines:
NEC®
- Purpose
- Jurisdictions having Authority
- Inspectors' Responsibilities
OSHA
- Mandates
- Fines
- Retro-fitting requirements
- Cross-referencing
Electrical Math
- Definitions
- Accessible
- Bonding
- Continuous loads
- Labels
- Grounding
- GFICs
- Service Equipment
- Voltage Drops
- Sizing Feeders
- Branch Circuits
- Conductor calculations
- Neutral loads
- Calculating ampacities
Problems
- Wire bending space
- Selecting equipment
- Testing Labs
- Short circuit currents
- Transformer
- Point to point
- AIC ratings
- Splices
- Aluminum
- Copper
- Clearances
- Width
- Height
- Depth
- OSHA
Color Requirements
- Grounded
- Ungrounded
- Grounding conductors
Branch Circuit Ratings
- Combination loads
- Individual loads
- Permissible loads
Receptacle Outlets
- Requirements
- V-A ratings
- Grounding paths
- Replacement requirements
GFICs
- Class A
- Class B
- Tripping
- Locations
Feeders
- Sizing
- Voltage drops
- Heat effects
- High leg voltage
- Clearances
- Ampacities
Initial Loads
- Lighting loads
- Receptacle loads
- Motor loads
- Small appliance
- Laundry loads
- Range loads
- Heating
- Cooling
- Demand Factors and tables
- Industrial Buildings
- Equipment ratings
- Service entrance conductors
- Grounding electrode conductor
Service Drops
- Overhead clearances
- Minimum cover requirements
Services to Buildings
- Number
- Required sets of conductors
- Main disconnects
- Inside
- Outside
- Six circuit breakers
- Six sets fuses
- Wiring methods
Ground Fault Protection vs. GFICs
Overcurrent Protection Devices
- Circuit breakers
- Fuses
- 10 foot tapped rule
- 25 foot tapped rule
- Prohibited locations
Bonding & Grounding
- Purposes
- Differences
- Supply side
- Load side
- Role of the Neutral
- Bonding rules
- Supply side
- Load side
- Hazardous locations
- Systems over 250 volts to ground
- Sizing bonding jumpers
- Bonding water pipes
- Dangerous grounding connections
- Mandated Grounding Electrode System
- Ground rods
- Soil resistivity
- Sizing
- Electrode conductor
- Equipment grounding conductors
- Explanations
- Grounding paths
- Bonding
- Grounding connections
Wiring Methods
- General requirements
- Cable protection
- Raceway protection
- Minimum cover requirements
- Wet locations
- Strain relief for vertical wiring
- Sizing conduit
- 40% fill rule
- 60% fill rule
- Temporary for construction
- Conductors
- Stranded
- Parallel
- Insulation requirements
- Wet locations
- Temperature effects
- Ampacity tables
- High ambient temperatures
- Heat variations
- Role of the neutral
- Heat effects
- Harmonic currents
- Sizing cable trays
- Sizing auxiliary gutters
Open Wiring
- Insulators
- Non-metallic electrical tubing
- Cable
- Armored
- Metal clad
- Nonmetallic sheathed
- Conduit
- Rigid metal
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