NOM-001-SCFI-1993 scope of application
The requirements and testing methods set forth in this Standard apply to the following electronic devices for household use which use as their power source both the electrical energy supplied from public grids and from other energy sources such as cells, batteries or storage batteries which will be designed to operate at altitudes of up to 3 000 meters above sea level.
- Radio receivers of one or more commercial frequency bands and one or more carrier/modulation modes.
- Black and white and color television receivers, TV monitors.
- Video projectors.
- Sound amplifiers.
- Magnetic-tape sound and image reproducers and/or recorders.
- Manual and automatic record players.
- Acoustic enclosures with built-in amplifier.
- Remote controls for any of the devices covered by this Standard.
- Signal amplifiers.
- Microwave ovens.
- Monitors.
- Separate sources for supplying power to devices and for substituting cells and batteries.
- Any combination of two or more of the above devices such as radio-phonographs, consoles and modular equipment.
- Other electronic devices, implements, accessories and systems specifically intended for household use.
- Electronic musical instruments.
- Electronic accessories such as rhythm generators, tone generators (as an individual item of equipment), music synthesizers, and anything that is used with electronic and non/electronic instruments.
- Video games and video-game generating devices that are hooked up to a TV.
- All types of telephones.
- Transceivers (other than computing network transceivers), beepers, etc.
- Lamps or luminaires with electronic controls.
- Electronic controllers for ballasts, battery charges.
- Electronic controllers for temperature, humidity, etc.
- Metal detectors.
- Alarms for automobiles either for home use or otherwise.
- Electronically controlled illuminated billboards.
- Projectors and video-cams not considered as peripherals to a CPU.
- Loudspeakers with an embedded amplifier (multimedia if no software drive included).
- Videogames and electronic toys.
- Universal testers for home use.
- Medical self-diagnosis instruments for home use.
- TV systems or parts of closed TV systems.
- AC/DC adapters, converters, eliminators or power supply units with or without regulating mechanisms.
- Audio components, microcomponents, minicomponents, midi system components.
- Home theater systems.
- Modular audio systems.
- Video monitors.
- Product or fuel dispensing machines with embedded electronic controls.
- Medical equipment with embedded electronic controllers.
- Carcasses for switching or computing equipment that only include the power supply unit.
- Others not considered with electronic operation and either separate or embedded AC/DC power supply unit.
- Professional, scientific and industrial equipment for as long as there is no specific safety standard for the latter.
Not covered by this standard are electronic devices whose power supply requires rated voltages of greater than:
- 433 V (rms) between phases for three-phase power supplies.
- 250 V (rms) in any other case.
These are covered by the Standard for Scientific and Industrial Devices and Components:
- Electronic devices specifically designed to operate at altitudes of greater than 3 000 meters above sea level, which are covered by the Standard for Devices and Components for Aeronautical Uses or Space Research.
Note: Products powered by voltages of 24 V or lower are also excused, according to Article 10, Annex 2.4.1, NOMs Agreement. However, UL may issue the corresponding compliance certificate upon the client's request.
Product standards can be found on the Secretary of Economy page dedicated to their standards catalog.
