Standard 845, Edition 5
UL 845
SUPERSEDED

Motor Control Centers

UL CSDS Proposal
Published Date: January 06, 2017
Last Revision: November 01, 2018
Summary of Topics b0845_5_20170106_sum.html

Subject 845

Bulletin Dated: January 6, 2017

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Motor Control Centers, UL 845, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Remove Fuses as Source of Arcing in Regards to Ventilation Openings and Barriers

2. For Preliminary Review Only: Unit Short-Circuit Acceptance Criteria - Table 30

3. For Preliminary Review Only: Insulating Materials

4. For Preliminary Review Only: Short Circuit Unit Testing, Section Preparation
Back to Standard 845, Edition 5

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.

×

The ULSE standard development process is under continuous maintenance, which means new work may already be in progress when a revision is published.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

Go To Renewals
×

You have one or more licenses to assign

Go To Standards
×

Additional information required

To serve you better, please update your account details.

Go to Edit Profile

Featured Standards


Recently Published

UL 8802
Ultraviolet (UV) Germicidal Equipment and Systems
First Edition

UL/ULC 2039
Flexible Connector Piping for Flammable and Combustible Liquids
New Edition

UL 1974
Evaluation for Repurposing or Remanufacturing Batteries
New Edition

UL 61730-2
Photovoltaic (PV) Module Safety Qualification - Part 2: Requirements for Testing
Revision

UL 732
Oil-Fired Storage Tank Water Heaters
New Edition

UL 1678
Household, Commercial, and Institutional-Use Carts, Stands and Entertainment Centers for Use with Audio and/or Video Equipment
Revision

UL 719
Nonmetallic-Sheathed Cables
Revision

UL 493
Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables
Revision

UL 1247
Diesel Engines for Driving Stationary Fire Pumps
New Edition

Coming Soon

UL 48
Electrical Signs
Revision Pages

UL/ULC 25
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
 ×

Email Verification Required

To enhance security and protect our community from fraudulent activity, we require email address confirmation before orders can be placed. This step ensures that all orders come from verified sources, helping us maintain a safe and trusted environment for everyone. Thank you for your cooperation.

To resend the confirmation email please click here. The confirmation email will look like the sample below.

Sample

example email
×