UL 763:5ED 2018-02

Foreword
Introduction
1 Scope
2 Terminology
3 Glossary
4 Components
5 Units of measurement
6 References
Construction
7 Frame and enclosure
8 Mechanical assembly
9 Protection against corrosion
10 Accessibility of live parts
11 Supply connections
12 Current-carrying parts
13 Insulating material
14 Internal wiring
15 Capacitors
16 Grounding
17 Heating elements
18 Lampholders
19 Motors
20 Overload- or thermal-protective devices
21 Receptacles
22 Switches and controls
23 Spacings
Protection against injury to persons
24 General
25 Sharp edges
26 Enclosures and guards
27 Materials
28 Rotating or moving members
29 Parts subject to pressure
30 Pressure relief devices
31 Switches, controls and interlocks
32 Liquid mixing and blending machines
33 Stability
Performance
34 General
35 Starting current test
36 Input test
37 Normal temperature test
38 Dielectric voltage-withstand test
39 Overspeed test
40 Flooding of live parts test
41 Hydrostatic pressure test
42 Switch overload test
43 Strain relief test
44 Stability test
45 Abnormal tests
46 Permanence of marking tests
Manufacturing and production-line tests
47 Dielectric voltage-withstand
48 Grounding continuity
Rating
49 Details
Marking
50 Details
Appendix
A Standards for components

This revision of ANSI/UL 763 dated March 27, 2020 includes changes in the following requirements: Power Supplies; 6.14.2 Grounding Continuity Test; 16.1.3, Section 59A Immersion Blenders; 3.20, 3.21, 31.1, 31.5, 31.6, 65.6, Figure 31.1 and Figure 31.2 Strain Relief Test; 51.2 Leakage Current Test; 38.1 Insulating Tape; 6.18.1 Intentionally Ungrounded Parts; 16.1.3, 63.4.8

These requirements cover commercial motor-operated food-preparing machines intended for use in accordance with the National Electrical Code.