      Grounding Electrode System and II. Tunnel Installations over Volts, Connections Manholes and Other Electrical VI. Methods of Equipment Grounding Direct-Current Systems Instruments, Meters, and Relays General Provisions Branch-Circuit Ratings Required Outlets Connecting Surge Arresters Connecting SPDs Branch-Circuit Load Calculations Feeder and Service Load Calculations Farm Load Calculations General Requirements Requirements for over Volts, II.Buildings or Other Structures Supplied Nominal Over Volts Construction Specifications Overhead Service Conductors Underground Service Conductors Service-Entrance Conductors Service Equipment — General Scope and Installation Service Equipment — Disconnecting II. Services Exceeding Volts, Nominal Scope and General Disconnecting and Guarding Requirements for Over Volts, Nominal Switchboards and Switchgear Luminaire Locations Luminaire Supports Wiring of Luminaires Construction of Luminaires Installation of Lampholders Lamps and Auxiliary Equipment Construction of Flush and Recessed I.Special Provisions for III. Grounding — All Voltages Lighting Track Decorative Lighting and Similar Accessories Disconnecting Means Branch-Circuit Conductors Controllers for Motor-Compressors Motor-Compressor and Branch-Circuit I. Provisions for Room Air Conditioners Transformer Vaults Marking of Heating Equipment Electric Space-Heating Cables Duct Heaters Resistance-Type Boilers Electrode-Type Boilers Electric Radiant Heating Panels and Capacitors Resistance Heating Elements Impedance Heating Skin-Effect Heating Control and Protection Equipment — Specific Provisions Equipment — Switchgear and Industrial I.Mobile and Portable Equipment Induction Heating Motor Circuit Conductors Motor Feeder Short-Circuit and I. Motor Control Circuits Motor Controllers Motor Control Centers Adjustable-Speed Drive Systems Protection of Live Parts — All Voltages Nonprofessional Projectors Audio Signal Processing, Amplification, Specific Mobile and Manufactured Homes Services and Feeders Wiring and Protection Combination Electrical Systems Essential Electrical System Other Power Sources Inhalation Anesthetizing Locations X-Ray Installations Communications, Signaling Systems, V.Factory Tests Recreational Vehicle Parks Isolated Power Systems Low-Voltage Systems Fixed Stage Switchboards Portable Switchboards on Stage Dressing Rooms Control Circuits Control Circuit Wiring Methods Power Sources Wiring Methods Grounding and Bonding Contact Conductors Overcurrent Protection Stage or Set Viewing, Cutting, and Patching Tables Cellulose Nitrate Film Storage Vaults Center Pivot Irrigation Machines Installation of Conductors Traveling Cables Disconnecting Means and Control Permanently Installed Pools Spas and Hot Tubs Emergency and Standby Power Systems Pools and Tubs for Therapeutic Use Hydromassage Bathtubs Equipment Construction Orderly Shutdown Circuit Requirements Arc Welders Resistance Welders Welding Cable Connection to Other Sources Storage Batteries Systems over Volts Permanent Audio System Installations Electric Vehicle Charging Connection to Other Circuits Outputs over Volts Transformers and Capacitors Guarding and Grounding Guarding, Grounding, and Labeling Circuit Wiring Sources of Power Control — Emergency Lighting Circuits Installation Methods Within Buildings Listing Requirements Receiving Equipment — Antenna IV.Interior Installation — Transmitting Stations Utility-Interactive Inverters Coaxial Cables Outside and Entering Buildings Grounding Methods Circuit Wiring and Equipment Power Sources and Connection System Performance and Analysis Cables Outside and Entering Buildings Class 1 Circuits Class 2 and Class 3 Circuits Wires and Cables Outside and Entering Buildings Since that time, changes in the membership may have occurred.A key to classifications is found at the back of this document. Michael J. Mark W. Kimberly L. James E. Alliance for Telecommunications Industry Solutions Alt. Johnston Merton W. Bunker, Jr. Gallo, Telcordia Technologies, Inc. Brunssen Palmer L. International Brotherhood of Electrical Workers Alt to. William R.Drake David L. Owen Rep. Independent Electrical Contractors, Inc. National Electrical Manufacturers Association Alt. American Chemistry Council John R. LaBrake, Jr. Kovacik Rep. Fiske Rep. American Chemistry Council Vincent J. Kissane Rep. International Association of Electrical Inspectors Rep. Biermann, Biermann Electric Company, Inc. IA [IM] Rep.Ayer, Biz Com Electric, Inc. Hittinger [SE] Rep. Dollard, Jr. Hickman Member Emeritus Rep. Committee Scope: This Committee shall have primary responsibility for documents on minimizing the risk of electricity as a source of electric shock and as a potential ignition source of fires and explosions. It shall also be responsible for text to minimize the propagation of fire and explosions due to electrical installations.Michael A. International Brotherhood of Electrical Workers Rep. American Chemistry Council David L. Neil F. Randall R. McCarver, Telcordia Technologies, Inc. Iverson, National Electrical Manufacturers Rep. Johnston, National Electrical Contractors Rep. Sassaman Rep. Barrios Alternates Rep. American Chemistry Council Thomas L. Boyce Rep. Hickman Rep. International Brotherhood of Electrical Workers Alt. Anthony Benjamin F. Hittinger Alt. Pierce Nonvoting Ernest J.McCarver Rep. Alliance for Telecommunications Industry Solutions. Mark R. International Association of Electrical Inspectors.Charles L. American Chemistry Council Alt. National Electrical Manufacturers Association Rep. Duren Rep. Hilbert James E. Thorwegen, Jr. National Association of Home Builders Alt. Wood Rep. Thomas H. Wood, Cecil B. Wood, Inc. National Electrical Contractors Association Rep.Lee, U. Consumer Product Safety Alt. Trotta, U. Lee Alt. National Association of Home Builders. Paul J. International Brotherhood of Electrical Workers.Steven D. Clary Shane M. Automatic Fire Alarm Association, Inc. Corbin, Corbin Electrical Services, Inc. Pace Rep. American Chemistry Council Ray R. Stene Steven J. Owen, Steven J. Owen, Inc. Owen David A. American Chemistry Council Mark A. Petrucci, Jr. Electronic Security Association Alt. Corbin VL to , , , Rep. John E. Wages, Jr.Walsh Rep. Keden Edward C. Ronald J. National Electrical Contractors Association. Timothy P. Zinnante, Westpoint Electric Inc. Alternates Alex Z.Sigmund Alt. Zgonena Rep. American Chemistry Council. William F. Bower OR [U] Rep. Wills , Rep. Cogburn, Cogburn Bros. Toomer Patrick G.National Electrical Contractors Association Alt. Stafford Glenn A. McDaniel Alt. Rogers Rep. Zinnante Rep. Stephen W. Buchal Rep. Trevor N. Copper Development Association Inc. The Supplemental Arc Protection circuit breaker is a circuit breaker located in the panel.The Supplemental Arc Protection circuit breaker serves the branch circuit being protected. Junction and outlet boxes in the circuit must also be metal. The conduit may be metal or nonmetallic and the permitted cable is Type MC. It is common for EV charging to require a sustained load that is near the capacity of the branch circuit.This requirement insures an adequate, safe supply for EV charging. The Informational Note following  Although this information is not mandatory, Annex J provides important electrical design considerations for accessibility. The receptacle outlet must be within 3 feet of the basin and may be installed in various locations, such as in a wall or partition adjacent to the sink or in the side or face of the cabinet supporting the sink.The revised wording in the NEC makes it clear that, regardless of the location of the receptacle, it must be no more than 12 inches below the top of the basin. Both of these sections have been revised to insure that there is unimpeded access to the receptacle and that the receptacle location will accommodate the expected routine use of an outdoor receptacle.The NEC definition of readily accessible provides assurance that there will be no obstacles preventing access to the use of the receptacle. This section has been revised to require the receptacle only on porches, decks and balconies that are attached to the dwelling.This section has been revised to provide additional detail regarding the location of the laundry receptacle outlet. The laundry receptacle outlet must be located in an area designated for the installation of laundry equipment.The wording of Exceptions No. The three subsections cover the requirements for receptacle outlets in Garages, Basements and Accessory Buildings. New subsection  Recognizing that one receptacle in a large multicar garage may be insufficient, this section has changed to require one receptacle outlet for each car space in the garage. In addition, the branch circuit supplying the receptacles inside the garage may not also supply any outlets located outside the garage.This Section continues to require a receptacle outlet in a foyer wall that is 3 feet or more in width but the last sentence has been added to make it clear that doorways and door-side windows that extend to the floor are not considered wall space. Many homes are built with large foyers where lamps and other cordand plug-connected equipment will be located.Receptacles located in the foyer will allow the connection of this equipment. The requirement that at least one show window receptacle must be installed per 12 linear feet of show window, not more than 18 inches from the top of the window, has not changed. However, the requirement now specifies that the receptacle must be V, 15A or 20A rated. Cord and plug connected monitoring, diagnostic, test and service equipment are commonly used in electrical service areas.To provide for connection of this equipment, a new section in the NEC,  This requirement does not apply to one- and two-family dwellings. Cable Trays are permitted to support service-entrance conductors  In the NEC, Section  This was accomplished by specifically removing the term thermoplastic-insulated from  This section has been revised in the NEC to require that the labels are located with a spacing of no more than 10 feet.Cablofil Cat. Article provides the general requirements, installation requirements and connection requirements for surge protective devices. The code had previously referred to these devices by the outmoded terms of transient voltage surge suppressors or surge arrestors. The NEC revises these sections to require that the screws used to attach receptacles, switches and covers to outlet boxes must be the screws provided with the device or the screws must match the thread gauge or size of the box screw-mounting openings.It is also permitted to follow the manufacturer's instructions when determining the suitable means of attaching devices and covers to boxes. This change was introduced to ensure that devices and covers will be securely attached to the boxes and that unsuitable means of attachment, such as drywall screws, will not be used.The NEC permits boxes used at luminaire outlets to be installed in or on any vertical surface. The requirement in the NEC restricted the installation of these boxes to walls. The boxes intended for luminaire support are marked to identify the box as suitable for the installation of a luminaire.There is an exception that permits other boxes, such as standard device boxes, to support a vertically mounted luminaire that weighs not more than 6 pounds. The boxes permitted by the exception do not have a specific marking indicating suitability as a luminaire mounting. Ceiling outlet boxes intended to support a luminaire must be able to support at least 50 pounds. A box may be used to support a luminaire weighing more than 50 pounds if the box is listed and marked for the maximum luminaire weight to be supported.The NEC has been changed to require that a box intended to support a luminaire of more than 50 pounds must be marked on the interior with the weight of the luminaire it can support. Both metal and nonmetallic surface raceways are equipped with a wide variety of fittings and boxes that must be installed correctly to ensure the integrity of the raceway system. Sign up Log in. Web icon An illustration of a computer application window Wayback Machine Texts icon An illustration of an open book.Books Video icon An illustration of two cells of a film strip. Video Audio icon An illustration of an audio speaker. Audio Software icon An illustration of a 3.Software Images icon An illustration of two photographs. Images Donate icon An illustration of a heart shape Donate Ellipses icon An illustration of text ellipses. Open navigation menu. 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Attributes Length Resolution x File Size  Make a fun drink or quarantini and upload a background to set the mood for your next virtual happy hour with friends or coworkers.Bonus: alternatively, you could decorate digitally with one of these stylish home decor backgrounds. Due to social distancing, a traditional bar or bat mitzvah has most likely been postponed —but you can still celebrate the ceremony virtually!Congratulate the guest of honor as they turn thirteen and enter adulthood in the Jewish community by having a traditional and celebratory background option. Put on your favorite outfit, blast the music or even book a DJ , and dance the night away with a disco ball Zoom background!Pro tip: Here's how to host a virtual dance party. Download this dance party background and have the host use screen sharing audio-only to share this playlist of the 55 Best Dance Songs so you and all of your friends will feel like you had a night out dancing together. If you're attending a graduation ceremony on a virtual platform, now is the time to show the graduate all of your support by including a congratulations Zoom background for this celebratory milestone.Graduating is a huge accomplishment and should be celebrated no matter what, so bring grad vibes only to the online event. Capture the spirit of the graduating class's hats-off moment with this celebratory graduation Zoom background.Share the exciting news for your bundle of joy! Gender reveals can still be celebrated virtually! Create more excitement and anticipation for your guests by including this fun backdrop along with the video call invitation.Baby showers held on a Zoom call can still be just as special as if they were held in person. With party games, snacks, and spending time with the mom-to-be, she will feel incredibly loved even while being apart. Bonus: we've got 40 more adorable baby shower Zoom backgrounds.Are you in it to win it? Show your friends you mean business by adding a competitive background for an online game night. For your next book club meeting, impress all your friends by making it look like you are in your own private library filled with the classics.Impress others with your knowledge of wine blends, vinology, and of course, your Zoom background. Have every attendee buy a couple bottles of the same wines, and take turns tasting.Between helpful tools like Netflix Party and the magic of Zoom backgrounds, a trip to the movies is a few clicks away—and free!Send a video chat link in the group message, make some waffles, and enjoy your weekly brunch with a mimosa in hand—and in the background! Planning dinner parties is now a breeze with the help of Zoom. Show off your cooking skills and make sure to include a fancy restaurant setting to add the perfect final touch. Take center stage to sing your heart out! Surprise your friends with an extravagant costume, your signature song, and this funny Zoom background image to make your performance even more memorable.Your guests will want a karaoke night every week. The key to working out is all about motivation and having the right mindset, which can be difficult to do at home. Whether you are painting like Bob Ross or drawing like Picasso, set the tone by working in your own art studio. This will be perfect for a virtual paint and sip, or craft night with friends.Host a virtual send-off for a friend, colleague or family member with this retirement party Zoom background! Is a colleague leaving the company or a loved one moving away?Give them a fond farewell with this image! For a virtual housewarming or to simply announce your arrival in style, display this neon sign on your Zoom call.Jazz up your ordinary office space or plain wall or hide some laundry by including this eye-catching design behind you! If you're looking for Zoom backgrounds to celebrate a seasonal holiday or event, click the link below to access lots of designs. Click on one of the links below your favorite party Zoom background to open a pixel X pixel file for desktop or pixel x pixel file for your mobile device.Then you can right-click, and save the image to your desktop or tap and save it to your mobile photo library. Bonus: Find more tips for hosting a virtual party on The Bash. Plus, we've got more than 6, vendors nationwide providing online services for virtual events.Find Virtual Entertainment. Lauren Miolene Contributor. Here are 39 free Zoom party background images to amp up your next virtual party.Happy Birthday Get the festivities started with this balloon and confetti birthday party Zoom background. Congrats Send your best wishes to the guest s of honor with this congratulations Zoom background.  

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