What is UL 746?
The UL 746C regulation sets standards for polymeric materials used in electrical equipment, required by UL50. These requirements cover parts made of polymeric materials that are used in electrical equipment and describe the various test procedures and their use in the testing of such parts and equipment.
What is UL F1 Rating?
To be F1 rated, Underwriters Laboratories (UL) specifies a 1,000 hr accelerated UV plus high temperature water exposure test to qualify polymer enclosures for outdoor industrial use. UL results for Engineered Polymer housing: Emerson has done testing on the complete molded enclosure.
What is UL material?
The UL Listed seal means that the product has been tested by UL to nationally recognized safety and sustainability standards. Additionally, it has been found to be free from a reasonably foreseeable risk of fire, electric shock in a Division 2 environment.
What is ul796?
UL 796. October 8, 2010. UL Standard for Safety Printed-Wiring Boards. These requirements apply to rigid printed-wiring boards and flexible printed-wiring board for use as components in devices or appliances. Compliance with these requirements does not indicate that the…
What is F1 rated material?
Outdoor Suitability – UL 746C
| Rating | Description |
|---|---|
| f1 | The material has met both UV and water immersion requirements. |
| f2 | The material has met either UV or water immersion requirements, or has only been partially tested. |
What does UL94 HB mean?
Slow horizontal burn test
UL 94 V-2 Vertical Burn; Burning stops within 60 seconds, Flaming drips ARE allowed. UL 94 H-B Horizontal Burn; Slow horizontal burn test (H-B) are considered “self-extinguishing”. This is the lowest (least flame retardant) UL94 rating.
What are UL categories?
UL Classification typically means that UL has tested and evaluated samples of a product with respect to certain properties of the product. UL classifies products to: Applicable UL requirements. Standards of other organizations.
What is UL marking on PCB?
What Does the UL Mark Mean On a PCB? When your PCB receives a UL Mark from your manufacturer, it signifies that your board meets all established safety and flammability requirements. Specifically, a UL Mark signifies that: The base material used in your PCB meets a specified flammability level per UL94.
What does UL 94 HB mean?
What is UL flammability rating?
UL 94 is a plastics flammability standard released by the Underwriters Laboratories (USA). The standard classifies plastics according to how they burn in various orientations and part thicknesses from the lowest flame-retardant to most flame-retardant in six different classifications. UL 94 Rating. Definition of Rating.
What is UL94 V2?
UL 94 V-2 Vertical Burn; Burning stops within 60 seconds, Flaming drips ARE allowed. UL 94 H-B Horizontal Burn; Slow horizontal burn test (H-B) are considered “self-extinguishing”. This is the lowest (least flame retardant) UL94 rating.
What is UL94 standard?
UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States.
What standard is UL?
Underwriters Laboratories (UL) are most widely known for standards in electrical products. E.g., every light bulb, lamp, or outlet purchased in the U.S. usually has a UL symbol and says UL Listed. In point of fact, they issue a much wider range of standards – all related to product safety for consumers.
What is the difference between UL listed and UL certified?
UL certification is essentially an umbrella term in which UL listed and UL recognized fall. In contrast, UL listing can refer only to stand-alone products that have a specific function and were tested against UL’s nationally recognized safety standards of a specific category of equipment.
What is UL in electronics?
Underwriters’ Laboratories, or UL as it is universally known, tests and evaluates components and products that allows a certification mark to be placed by the manufacturer.
What does UL94 v2 mean?
UL 94 V-2 Vertical Burn; Burning stops within 60 seconds, Flaming drips ARE allowed. UL 94 H-B Horizontal Burn; Slow horizontal burn test (H-B) are considered “self-extinguishing”.
What is UL yellow card?
The UL Yellow Card (or Plastics Recognition Program) provides a digital product information card that lists substantial safety and performance-related properties for a polymeric material that UL tests to applicable standards.