620 – Electric Vehicle Power Transfer System

620.6 – GFCI Protection Requirements in Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts

Change at a Glance:

Revision clarifies that any receptacle in a pit must be GFCI protected. GFCI protection not required for a hard-wired sump pump.

620.6 Ground-Fault Circuit-Interrupter Protection for Personnel. (Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts)

Each 125-volt, single-phase, 15- and 20-ampere receptacle installed in pits, in hoistways, on the cars of elevators and dumbwaiters associated with wind turbine tower elevators, on the platforms or in the runways and machinery spaces of platform lifts and stairway chairlifts, and in escalator and moving walk wellways shall be of the ground-fault circuit-interrupter type.
All 125-volt, single-phase, 15- and 20-ampere receptacles installed in machine rooms, control spaces, machinery spaces, and control rooms shall have ground-fault circuit-interrupter protection for personnel.
A single receptacle supplying a permanently installed sump pump shall be permanently wired or shall be supplied by a single receptacle that is not require ground-fault circuit-interrupter protection protected.

620.65 – Signage for Selective Coordination

Change at a Glance:

New section added to require equipment enclosures for elevators, etc. containing selectively coordinated overcurrent devices to be legibly marked in the field.

620.65 Signage. (Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts)

Equipment enclosures containing selectively coordinated overcurrent devices shall be legibly marked in the field to indicate that the overcurrent devices are selectively coordinated. The marking shall meet the requirements of 110.21(B), shall be readily visible, and shall state the following:

CAUTION: OVERCURRENT DEVICES IN THIS ENCLOSURE ARE SELECTIVELY COORDINATED. EQUIVALENT REPLACEMENTS AND TRIP SETTINGS ARE REQUIRED.