Tuesday, February 7th, 2023 – 8:00am to 4:00pm – 8 or *16 CEUs
(Please Arrive by 7:45 am. Lunch is ‘on your own’ from 12:00 pm – 1:00 pm.)
Victor addresses how to make current systems more energy efficient to save your customers money, which means more business for you! Familiarize yourself with how the 2020 National Electrical Code relates to the current nature of power quality and energy management.
Participants must bring a code book (preferably the 2020 edition). Workshop participants are provided with a POWER QUALITY AND 2020 NEC® CHANGES workbook.
Where: Hampton Inn and Suites at Crabtree Valley
3920 Arrow Drive
Raleigh, NC 27612
Hotel Phone: 919-881-7080
(Reduced room rates available for JCR workshop attendees. Call hotel directly to book your room.)
Power Quality and Energy Management 8am – 12pm
Overview of Article 750
Installation and Operation of Energy Management Systems; Loads not to be overridden; Assessment, Control, Monitoring, and Management; Correction, Recovery, Improvement, and Control.
Utility Energy Quality
Clarifying and explaining the questions of utility energy quality. Age of delivery system from the utility; environmental impacts affecting delivery; current voltage and sign wave under load; is there lead or lag in the phase sign wave; connection termination provisions; conductor properties provided; is delivery a shared system by utility.
Six Phases of the Process Flow
Assessment of Utility and Feeder; Analysis of Overall System; Review, Cost, and Outcomes; Recovery, Methods, Tasks, and Materials; Payback for Recovery Process; Control and Monitoring.
Eight Fundamentals of the Process
Overview of assessment of system; Analysis of supplied energy or power delivery; loads and utilization equipment; metering and distribution provisions; wiring methods assessment; system power study; system correction analysis; corrective actions and materials.
System Assessment Factors
Quality of delivered energy; distribution method within system; utilization equipment within system; installation methods; heat signature of components and system; distances of distribution and utilization; age of system and components; HVAC, motors, lighting, and appliance loading
Power Quality and Thermal Imaging
Use of thermal imaging for system assessment; discovery and correct aspects of overall system improvements; support applications with imaging cameras provide time dating video assessment for condition of motors; online training or formal certification programs though manufacturer.
Properties of Resistance
Current flow from utility provider is measured in resistance; assessment of conductor resistance and adjustment can provide large adjustment factors in equipment loads; Chapter 9, Tables 8 and 9 of NEC for basic resistance of conductors; voltage drop analysis providing information in the resistance assessments.
Methods of Installation
Evaluation of existing installation methods; assessment of terminations; review overcurrent and short-circuit applications; bonding and grounding vs fault pathways; raceways and junction boxes evaluating; condition of feeder and distribution equipment.
Delivery vs Usage
System usage in combined overall loads; amount of energy used from delivery versus loads; loads that can be managed or scheduled; percentage of loss and recovery; impact of loads due to condition or performance; impact of installation methods existing; accurate calculation of kilowatt usage to loss.
System Analysis Results
Correction and update of installation methods; reduction of resistance within system; upgrade of equipment and/or controlled or monitored; shedding of loads and scheduled usage; reduction of heat within system; improvement of distribution; correction of utility delivery; increased kilowatt to usage rating; economic recovery of cost through time-based payback.
Format collected information for overall system assessment; identify areas for improvement or corrective actions; list upgrade options for improved performance and reductions; develop an equipment and material list from survey assessments; develop and produce a recovery plan of action-by-action phases; assess and overview of recovery and payback timeline; prepare a recovery presentation with plan of action assessments; recovery presentation with timeline, cost, and payback conclusions.
Referencing the National Electrical Code
Article 220; Article 310; Article 430; Article 420-490; Article 750; Chapter 9- Table 4, 5, 8, 9.
NEC 2020 Code Changes 12pm – 4pm
Article 805 will cover the general requirements for communications systems including communications circuits, community antenna distribution systems, and broadband systems. Clarification of definitions will also be covered within this section to include Article 100 changes.
Four New Articles
Article 242 Overvoltage Protection; Article 311 Medium Voltage Conductors; Article 337 Type P Cable; Article 800 General Requirements for Communications
Article 100- Definitions
Article 110 Requirements for Installations; Article 110.22(A) Identification of Disconnect Means
Overcurrent & Overvoltage Protection
Changes to GFCI protection will be addressed highlighting Article 240 with additional specialty references within Chapters 5, 6, and 7. New standards in electrical safety will be discussed with the most significant change being the increase of amp protection ratings across all receptacle outlets (both indoor and outdoor) wherever GFCE protection is required. Article 242 – Overvoltage Protection is also reviewed.
Article 200- Use and Identification of Grounded Conductors
210.8- GFCI Protection for Personnel; 210.11- Branch Circuits Required; 210.52- New Requirements for Receptacle layout on island and peninsulas; 215.9- Feeders in GFCI in Readily accessible location; Table 220.12 General lighting loads by non-dwelling occupancy; 220.42- Lighting load demand factors; 220.53- Appliance Load- dwelling unit; 220.46- Spliced and Tapped conductors; 230.63- Barriers at service panels, switchboards, and switchgear; 220.67- Surge protection for dwelling units; 230.85- Emergency disconnect at a readily accessible location; 240.6- Restricted access for adjustable trip breakers required; 240.6- Restricted access for adjustable trip breakers required; 240.88- No molded case breakers can be reconditioned
Article 242 – Overvoltage Protection
This article replaces Article 280 Surge arresters, over 1,000V and Article 285 Surge protective devices, 1,000V or less. Those have now been relocated into part II, 1,000V or less, and part III, over 1,000V.
Article 200 continued…
250.25- Grounding systems on the supply side of the disconnect; 250.64(A)- Grounding electrode conductor installation in aluminum or copper-clad aluminum conductors; 250.64- Grounding electrode conductor protection from physical damage; 250.68- Grounding electrode conductor connections in rebar system; 250.104- Bonding of metal water piping systems requirements; 250.109- Metal enclosures and connect bonding jumpers or equipment grounding conductors; 250.121- Restricted use of metal frames as equipment grounding conductors; 250.122- Resizing ECG to provide effective ground fault current path; 250.148- Continuity of equipment grounding conductors in boxes
The reorganization of Article 310 within the 2020 NEC is discussed including the new user-friendly numbering system for important ampacity tables. Medium voltage conductors and Type P armored and unarmored cable are addressed. The new definition for cable bundle in Article 725 is reviewed.
300.4- Alternative metal fittings: protection against physical damage; 300.7- Sealings in raceways exposed to different temperatures; 300.15- Boxes, conduit bodies, or fittings- where required; 300.22- Air handling areas beneath raised floors for IT rooms; 300.25- Exit enclosures; 300.45- Danger signs
Article 310 – Conductors for General Wiring
This article has been extensively reorganized and separated for clarity
Article 300 continued…
310.12- New dwelling table; 311- Medium voltage cable; 312.8- addresses energy management equipment; 314.16- Volume allowance for EGCs and equipment bonding jumpers; 314.27- Outlet boxes for ceiling suspended paddle fans; 320.80- Adjustment factors of type AC cable; 330.130- Type MC cable “TC-ER-HL” in hazardous (classified) locations; 334.2- Deletion of references to type NMS cable; 334.30- Measuring type NM cable from the enclosure; 337- Type P cable; 338.2- Service entrance conductor assembly; 342.10- Intermediate metal conduit (type IMC); 342.14- Type IMC of dissimilar metals; 344.10- Uses of permitted of red brass RMC; 350.10- Permitted uses of LFMC; 380.12- Uses not permitted for multi-outlet assembly
Article 400- Flexible Cords and Flexible Cables
402.3- New type of fixture wire- FFHH-2; 404.7- Visibility requirements for switches and circuit breakers; 406.9- Receptacle limitations in bathrooms; 406.12- Tamper-resistent receptacles; 406.13- Single pole separable-connector type; 408.6- Short-circuit current ratings of switchboards, switchgear, and panelboards; 445.18- Emergency shutdown of one and two family dwelling units; 450.9- Horizontal top surfaces of transformers prohibited as a storage area
*A COMPLIMENTARY ONLINE COURSE IS PROVIDED TO EVERYONE ATTENDING THIS CLASS! YOU CAN EARN AN ADDITIONAL 8 CEUs AT NO EXTRA COST TO YOU!