Standards & Publications

Browse & Buy UL Standards
Standard 2577, Edition 1

Suspended Ceiling Grid Low Voltage Systems and Equipment

UL CSDS Proposal
Standard 2577, Edition 1 Edition Date: August 05, 2016
Summary of Topics b2577_1_20160805_sum.html

Subject 2577

Bulletin Dated: August 5, 2016


The following changes in requirements to the Standard for Suspended Ceiling Grid Low Voltage Systems and Equipment, UL 2577/ULC-S2577, are being proposed:

1. Add new definition for Low Voltage/Extra-Low Voltage and revise voltage references throughout the standard to correlate with the Canadian Electrical Code, Part 1, and the National Electrical Code, NFPA 70

Back to Standard 2577, Edition 1

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign


Additional information required

To serve you better, please update your account details.

Featured Standards

Recently Published

Coming Soon

UL 48
Electrical Signs
Revision Pages

Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages