Continuing Education Courses
Course #22299 - 2017 NEC Changes: Enclosure Boxes
| Course Expiration: |
September 11, 2026 |
| Course Type: |
Electrician |
| Core Credit Hours: |
1.0 |
| HVAC Specific: |
No |
| Energy Specific: |
No |
| NFPA-70E Specific: |
No |
| Course Name: | 2017 NEC Changes: Enclosure Boxes |
|---|
| Course Outline & Objectives: | Learning Objectives
At the end of this course, you will be able to:
Explain the new column for wire bending space in Table 312.6A and in B
Describe the changes for power monitoring equipment installed inside of an enclosure
Describe the requirements for barriers that are installed in boxes in 314.16
Know all about these new separable attachment fittings in 314.27E
Course Outline:
Introduction
o Overview
o Learning Objectives
? Article 312
o Article 312: Cabinets, Cutout Boxes, and Meter Socket Enclosures (10 minutes)
o 312.5(C) Cables Entering Enclosures
o Every cable has to be secured to the cabinet, or the cutout box, or the meter socket enclosure
o Conduit Fill Calculation Preparation
? Conduit Fill Calculation Examples
? 312.6 Deflection of Conductors (10 minutes)
o New allowances for compact aluminum alloy conductors were added
o There is no bending radius rule in the code for conductors operating at 1000 volts and less
o Two subsections A and B
o Conductors that do enter or leave the opposite wall from the terminals (that would be on the left here ? the 500 kcmil)
? 312.8 Switch and Over-Current Device Enclosures (10 minutes)
o New allowances for power monitoring equipment were added
o 312.8A splices, taps, and feedthrough conductors
o 312.8A1 total area of conductors at any cross-section of the enclosure must not exceed 40% of that cross-sectional area
o 312.8B, power monitoring equipment
? Article 314 (15 minutes)
o 314.1 Scope X
o 314.16 Number of Conductors in Enclosures
o 314.16A1, standard boxes
o 314.16B, Calculations
o Code told us all the items in B1 through B5 are going to be added together to come up with my total box fill
o 314.16B2 - 314.16B4
? 314.17 (15 minutes)
o 314.17 Conductors Entering Boxes, Conduit Bodies, Etc.
o 314.17B, metal boxes and conduit bodies
o 314.17C, nonmetallic boxes and conduit bodies
o 314.17 Exception
o Where NM cable or UF cable is used with single gang boxes
o 314.27(E) Separable Attachment Fittings
o Article 100 definition of receptacle
? Conclusion
o Summary and Implications
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| Course Schedule |
N/A |
| Calendar Events |
| Keywords: |
2017 NEC, Enclosure, boxes |
| Location(s): |
N/A - Distance Learning Course
|
| Teaching Method: | Internet |
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| Company Name: | Vector Solutions |
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| Phone: | 866.546.1212 |
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| Address: | 4890 W. Kennedy Blvd. Suite 300 |
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| City: | Tampa |
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| State: | FL |
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| Postal Code: | 33609 |
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| Email Address: | VSAccreditations@vectorsolutions.com |
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| The Course Provider is: | a commercial continuing education provider related to the construction trades |
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| Signup Link: | https://www.vectorsolutions.com |
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| Instructor First Name: | Ryan |
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| Instructor Last Name: | Jackson |
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| Instructor License #: | |
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| Instructor Resume: | |
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| Instructor Resume: |
Jackson, Ryan.PDF |
| Instructor First Name: | Ryan |
|---|
| Instructor Last Name: | Jackson |
|---|
| Instructor License #: | |
|---|
| Instructor Resume: | |
|---|
| Instructor Resume: |
Jackson, Ryan.PDF |
| Instructor First Name: | Ryan |
|---|
| Instructor Last Name: | Jackson |
|---|
| Instructor License #: | |
|---|
| Instructor Resume: | |
|---|
| Instructor Resume: |
Jackson, Ryan.PDF |
| Instructor First Name: | Ryan |
|---|
| Instructor Last Name: | Jackson |
|---|
| Instructor License #: | |
|---|
| Instructor Resume: | |
|---|
| Instructor Resume: |
Jackson, Ryan.PDF |
| Instructor First Name: | Ryan |
|---|
| Instructor Last Name: | Jackson |
|---|
| Instructor License #: | |
|---|
| Instructor Resume: | |
|---|
| Instructor Resume: |
Jackson, Ryan.PDF |
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