UL 20
Standard for General-Use Snap Switches
This Standard outlines safety requirements and tests for manually operated, general-use snap switches intended for permanent connection, such as those installed in fixtures to control incandescent lighting or in fans connected to residential branch-circuit wiring. The requirements for product markings and instructions help to ensure proper installation and safe use.
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More Electrical and HVAC Standards
Lighting
- Portable luminaries
- Luminaires
- Lighting systems
HVAC
- Air ducts and connectors
- Clothes dryer transition ducts
Electric power components
- Snap switches
- Electric doors, gates and windows
- Attachment plugs and receptacles
- Ground-fault circuit-interrupters
- Furniture power distribution units
- Circuit breakers
- Engine battery chargers
- Surge protection devices