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Standard 1577, Edition 5

Standard for Optical Isolators

UL Standard
Standard 1577, Edition 5 Edition Date: April 25, 2014 ANSI Approved: June 11, 2019 $402.00-$998.00

Revisions and Related Documents

Red Line Std. (4)

June 11, 2019 Redline Revision
January 23, 2015 Redline Revision
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Proposals (2)

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.


April 05, 2019
June 04, 2014
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Other Updates (0)

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Referenced Standards (2)

Below is a list of UL Standards referenced in UL 1577

Reverse Referenced Standards (37)

UL 1577 is referenced in the following list of UL Standards

244A 3 Standard for Solid-State Controls for Appliances
353 5 Standard for Limit Controls
508B 2 Outline of Investigation for Relays Used in Information Technology Equipment
586 9 Standard for Safety for High-Efficiency, Particulate, Air Filter Units
778 6 Motor-Operated Water Pumps
858A 3 Standard for Safety-Related Solid-State Controls for Household Electric Ranges
867 5 Electrostatic Air Cleaners
873 12 Standard for Temperature-Indicating and -Regulating Equipment
924 10 Standard for Emergency Lighting and Power Equipment
987 8 Standard for Stationary and Fixed Electric Tools
1012 8 Power Units Other Than Class 2
1042 5 Electric Baseboard Heating Equipment
1090 7 Standard for Electric Snow Movers
1278 4 Movable and Wall-or Ceiling-Hung Electric Room Heaters
1447 6 Standard for Electric Lawn Mowers
1449 5 Surge Protective Devices
1559 5 Standard for Insect-Control Equipment - Electrocution Type
1573 4 Standard for Stage and Studio Luminaires and Connector Strips
1741 3 Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
1778 5 Uninterruptible Power Systems
1838 3 Low Voltage Landscape Lighting Systems
1971 3 Standard for Signaling Devices for the Hearing Impaired
1993 6 Self-Ballasted Lamps and Lamp Adapters
2021 4 Fixed and Location-Dedicated Electric Room Heaters
2056 3 Outline of Investigation for Safety of Lithium-ion Power Banks
2111 1 Standard for Overheating Protection for Motors
2202 2 Standard for Electric Vehicle (EV) Charging System Equipment
2735 1 Standard for Electric Utility Meters
2753 2 Outline of Investigation for Battery Operated Ride-On Lawn Mowers
3703 1 Standard for Solar Trackers
6500 2 Standard for Audio/Video and Musical Instrument Apparatus for Household, Commercial, and Similar General Use
8753 1 Field-Replaceable Light Emitting Diode (LED) Light Engines
60065 8 Standard for Audio, Video and Similar Electronic Apparatus - Safety Requirements
60335-1 6 Safety of Household and Similar Appliances, Part 1: General Requirements
60730-1 5 Automatic Electrical Controls - Part 1: General Requirements
60950-1 2 Information Technology Equipment - Safety - Part 1: General Requirements
61800-5-1 1 Adjustable Speed Electrical Power Drive Systems - Part 5-1: Safety Requirements - Electrical, Thermal and Energy
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