Electical Contractor

Article 200—Use and Identification of Grounded Conductors; Article 220—Branch-Circuit, Feeder and Service Calculations; Article 240—Overcurrent Protection; Article 310—Conductors for General Wiring; Article 314—Outlet, Device, Pull and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosure

314.28 Pull and Junction Boxes Article 314 of the National Electrical Code covers the installation and function of all boxes and conduit bodies used as outlet, device, junction or pull boxes, depending on their use.

Fire pump disconnecting means Q: Is the disconnect for an electric motor driving a fire pump required to be within sight of the motor or is it permitted to be out of sight if capable of being locked in the off position? Can the disconnect and overcurrent protection be located in a panelboard?

Providing mechanical protection for branch circuits supplying critical loads in a hospital is extremely important. Any potential damage to these circuits could cost lives.

314.28 Pull and Junction Boxes The National Electrical Code (NEC) has specific requirements detailing how to calculate the maximum numbers of conductors in boxes (outlet, device, junction, pull, etc.) and conduit bodies.

314.16 Number of Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies The scope of Article 314 is covered in 314.1 and covers requirements pertaining to the installation and use of all boxes and conduit bodies used as outlet, device, junction or pull boxes, depending on their use, a

314.16 Number of Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies The National Electrical Code contains provisions that limit the numbers and sizes of conductors that can be installed in boxes and conduit bodies.

314.16 Number of Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies The National Electrical Code has specific requirements detailing how to calculate the maximum number of conductors in boxes (outlet, device, junction, etc.) and conduit bodies.

Article 250-Grounding and Bonding Article 312-Cabinets, Cutout Boxes, and Meter Socket Enclosures Article 314- Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhold Enclosures Article 350-Liquidtight Flexible Metal Conduit: Type LFMC Article 404-Switches Article 410-Lumina