Standard 621, Edition 7
UL 621

Standard for Ice Cream Makers

UL Standard Edition 7 Published Date: May 07, 2010 Last Revision: March 02, 2018 ANSI Approved: June 04, 2019 DOD Approved: February 25, 1992
SUPERSEDED

$716.00-$1,567.00

Revisions and Related Documents

Revisions
Red Line Std. (7)

Date      
March 02, 2018 Redline
March 01, 2018 Revision
February 15, 2017 Redline Revision
December 11, 2015 Redline Revision
October 25, 2013 Revision
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CSDS
Proposals (8)

CSDS Proposal   

CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

  • A revision of a single or multiple requirement(s).
  • A complete new edition of an existing Standard or Outline.
  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

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December 29, 2017
December 09, 2016
November 04, 2016
June 26, 2015
May 15, 2015
February 19, 2010
December 11, 2009
October 19, 2009
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UL LLC CRD (0)

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Other Updates (0)

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Referenced Standards (64)

Below is a list of UL Standards referenced in UL 621

StandardEditionTitle
1 31 Test ULC CSDS Document
4 15 Standard for Armored Cable
6 14 Electrical Rigid Metal Conduit - Steel
20 14 General-Use Snap Switches
44 19 Thermoset-Insulated Wires and Cables
62 20 Flexible Cords and Cables
83 16 Thermoplastic-Insulated Wires and Cables
94 6 Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
101 6 Standard for Leakage Current for Utilization Equipment
207 8 Standard for Refrigerant-Containing Components and Accessories, Nonelectrical
244A 3 Standard for Solid-State Controls for Appliances
310 10 Electrical Quick-Connect Terminals
353 5 Standard for Limit Controls
429 7 Electrically Operated Valves
489 13 Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
496 14 Lampholders
498 16 Standard for Attachment Plugs and Receptacles
508 18 Standard for Industrial Control Equipment
508C 4 Standard for Power Conversion Equipment
514A 11 Metallic Outlet Boxes
719 13 Standard for Nonmetallic-Sheathed Cables
746A 6 Polymeric Materials - Short Term Property Evaluations
746C 7 Standard for Polymeric Materials - Use in Electrical Equipment Evaluations
758 3 Standard for Appliance Wiring Material
797 9 Electrical Metallic Tubing - Steel
817 12 Standard for Cord Sets and Power-Supply Cords
840 3 Standard for Insulation Coordination Including Clearances and Creepage Distances for Electrical Equipment
873 12 Standard for Temperature-Indicating and -Regulating Equipment
917 5 Standard for Clock-Operated Switches
969 5 Standard for Marking and Labeling Systems
984 7 HERMETIC REFRIGERANT MOTOR-COMPRESSORS
991 3 Standard for Tests for Safety-Related Controls Employing Solid-State Devices
1004 5 Electric Motors
1310 7 Standard for Class 2 Power Units
1998 3 Standard for Software in Programmable Components
2111 1 Standard for Overheating Protection for Motors
2182 2 Standard for Refrigerants
1004-1 2 Standard for Rotating Electrical Machines - General Requirements
1004-2 2 Standard for Impedance Protected Motors
1004-3 2 Standard for Thermally Protected Motors
1004-7 3 Standard for Electronically Protected Motors
4248-1 2 Fuseholders - Part 1: General Requirements
4248-4 1 Fuseholders - Part 4: Class CC
4248-5 1 Fuseholders - Part 5: Class G
4248-6 2 Fuseholders - Part 6: Class H
4248-8 2 Fuseholders - Part 8: Class J
4248-9 1 Fuseholders - Part 9: Class K
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 1 Low Voltage Transformers - Part 2: General Purpose Transformers
5085-3 1 Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
60691 4 Standard for Thermal-Links - Requirements and Application Guide
4248-11 1 Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse
4248-12 2 Fuseholders - Part 12: Class R
4248-15 1 Fuseholders - Part 15: Class T
486A-486B 3 Wire Connectors
60730-1 5 Automatic Electrical Controls - Part 1: General Requirements
60947-1 5 Low-Voltage Switchgear and Controlgear - Part 1: General rules
60950-1 2 Information Technology Equipment - Safety - Part 1: General Requirements
61058-1 5 Switches for Appliances - Part 1: General Requirements
61131-2 2 Standard for Programmable Controllers - Part 2: Equipment Requirements and Tests
60730-2-7 2 Standard for Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Timers and Time Switches
60730-2-9 4 Standard for Automatic Electrical Controls - Part 2-9: Particular Requirements for Temperature Sensing Controls
60947-5-2 3 Low-Voltage Switchgear and Controlgear - Part 5-2: Control Circuit Devices and Switching Elements - Proximity Switches
60335-2-34 6 Household and Similar Electrical Appliances - Safety - Part 2-34: Particular Requirements for Motor-Compressors
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Reverse Referenced Standards (0)

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