Standard 2231-1, Edition 2
UL 2231-1

Standard for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements

UL CSDS Proposal Edition 2 Published Date: June 19, 2015 Last Revision: September 16, 2021

Summary of Topics b2231-1_2_20150619_sum.html

Subject 2231-1

Bulletin Dated: June 19, 2015


The following changes in requirements to the Standard for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits; Part 1: General Requirements, UL 2231-1, are being proposed:

1. Revision to Require a Ground Monitor/Interrupter Circuit for Hardwired and Cord-Connected EVSE (Deletion of Cable Flexing Test, Section 37 of UL 2231-2)

2. Clarification of Requirements for Isolation Monitors for EV Charging Equipment

3. Additional Reference to CSA C22.2 No. 0

4. Addition of Definition for Programmable Components

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