Shortest Path Method of Measurement for GFCI Protection at Sinks

NEC 2017 Changes

210.8 Informational Note No. 2.  For the purposes of this section, when determining distance from receptacles the distance shall be measured as the shortest path the cord of an appliance connected to the receptacle would follow without piercing a floor, wall, ceiling,...

Shortest Path Method of Measurement for GFCI Protection of Receptacles

NEC 2017 Changes

210.8 Informational Note No. 2.  For the purposes of this section, when determining distance from receptacles the distance shall be measured as the shortest path the cord of an appliance connected to the receptacle would follow without piercing a floor, wall, ceiling,...

Identification of Ungrounded Conductors for Existing Installations where a Different Voltage System is Added

NEC 2017 Changes

210.5(C)(1), Exception.  In existing installations where a voltage system(s) already exists and a different voltage system is being added, it shall be permissible to mark only the new system voltage.  Existing unidentified systems shall not be required to be...

Use of Tightening Torque Tools where instructions are Provided by Manufacturer

NEC 2017 Changes

110.14(D) Installation.  Where a tightening torque is indicated as a numeric value on equipment or in installation instructions provided by the manufacturer, a calibrated torque tool shall be used to achieve the indicated torque value, unless the equipment...

Limited Access to Working Space About Electrical Equipment

NEC 2017 Changes

110.26(A)(4) Limited Access.  Where equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or maintenance while energized is required by installation instructions or function to be located in a space...