UL 858A PDF

1 Scope

1.1 The requirements in this standard cover safety-related solid-state controls used in household electric ranges. These requirements supplement and, in some cases, amend the requirements in the Standard for Household Electric Ranges, UL 858, the Standard for Temperature-Indicating and -Regulating Equipment, UL 873, and the Standard for Tests for Safety-Related Controls Employing Solid-State Devices, UL 991. Compliance with the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1, and/or the applicable Part 2 standard from the UL 60730 series fulfills the UL 873 requirements.

1.2 These requirements cover a solid-state control that performs any of the following functions:

1. a) Controls cooktop heating elements.

2. b) Controls oven normal operating temperatures.

3. c) Controls oven self-cleaning cycle operating temperatures.

4. d) Controls oven self-cleaning cycle door lock system.

5. e) Controls required signal lights or audible alarms.

6. f) Serves as a temperature-limiting control for any of the functions noted in (a) – (e).

7. g) Controls a function essential for the appliance to comply with a specific requirement in the Standard for Household Electric Ranges, UL 858.

Summary of Topics

The revision of UL 858A dated July 21, 2023 is being issued to remove the ANSI logo and approval from the title page. No other changes have been made.