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Technical Data |
North American Regulatory Safety Standard Agencies |
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UL "AWM" Recognized Components |  |
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| Appliance Wiring Material better known under the abbreviation of “AWM” covers wire and cable
intended for use as factory installed components of complete equipment. Appliance Wiring
Material is not intended for use in direct separate installation in the field. Wire or cable indicating a UL AWM style marking is intended for applications that are unique to each individual style sheet. The usage statement of an individual style sheet will dictate specific end use limitations of the AWM wire or cable. The NEC does not recognize AWM as an approved wiring method. |
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Examples of AWM Use: | ||
| If a manufacturer desires to obtain UL Listing for their new piece of equipment they must submit their design to Underwriters Laboratories. The entire UL Listing process will move much more quickly and easily if all internal components used within the equipment design are UL Recognized. If the internal components are not UL Recognized then the UL Listing process will take much longer and cost more as the individual components now must be tested for compliance. AWM can also be used externally to interconnect two UL Listed components such as the data cable assembly that connects a computer to a printer. | |||
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UL "Listed" Wire and Cable Products |  |
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| Wire and cable covered by this category are intended for use as fixed wiring for the three
general building types: residential, commercial and industrial. Listed wire and cable must not only
comply with the applicable individual UL standards but also with requirements indicated under specific Articles of the National Electrical Code. The National Electrical Code defines specific end use application and where a particular Listed wire or cable is installed. |
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Examples of "Listed" Wire and Cable Uses: | ||
| A UL Listed wire or cable can be used inside a building where a connection is required from a circuit breaker box to a wall outlet or externally as a coaxial cable when a connection is required from a satellite dish to a television wall receptacle. UL Listed cable can also be used to supply power to a “UL Listed” piece of equipment, such as the flexible cord used in the cord set of your computer or appliance. | |||
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C-UL Listing Mark or c RU Recognized Component Mark |   |
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| These two different types of markings are represented by a lower case “c” appearing adjacent to the applicable UL symbol and indicate that a wire or cable has been tested by Underwriters Laboratories for conformance to standards from the Canadian Standards Association. These marks are applied to products that are intended for use in the Canadian marketplace. | |||
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C-UL US Classification Mark |  |
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| UL introduced this new classification mark in early 1998. It indicates
compliance with both Canadian and U.S. requirements. The Canada/U.S.
Mark is optional. UL encourages those manufactuers with products certified
for both countries to use this new combined Mark, but they continue using separate UL Marks for the United States and Canada. |
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Recognized Component Mark for Canada and the United States |  |
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| This new UL Recognized Component Mark, which became effective April 1,
1998, may be used on components certified by UL to both Canadian and U.S.
requirements. Although UL had not originally planned to introduce a
combined Recognized Component Mark, the popularity of the Canada/U.S. Listing and Classification Marks among clients with UL certifications for both Canada and the United States has led to the new mark. |
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| GENERAL INFORMATION | |||
| The local or state office of the Electrical inspector dictates regulations governing cables that are installed in conduit. These regulations can vary or fluctuate depending upon interpretation of the National Electrical Code in different states and local municipalities. | |||
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Canadian Standards Association (CSA) |  |
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| Lapp offers the following type of Wire and Cable Certified by the Canadian Standards Association on a wide variety of different products. | |||
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Appliance Wiring Material (AWM) | ||
| refers to wire and cable that is manufactured per the requirements specified in CSA Standard C22.2 No.210. AWM Wire and Cable is intended to be used internally within electrical and electronic equipment and can also be used for external interconnection between equipment. C22.2 No.210 defines AWM categories as follows: | |||
| Class I Internal Group (A) – Where not subjected to mechanical abuse Group (B) – Where may be subjected to mechanical abuse (1) Wet Location (2) Oil Resistant |
Class II External Group (A) – Where not subjected to mechanical abuse Group (B) – Where may be subjected to mechanical abuse (1) Wet Location (2) Oil Resistant |
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In order to comply with CSA Certification requirements all AWM wire and cable must pass one of the following flame tests*: |
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FT1 – This vertical flame test procedure is specified under CSA Standard C22.2 No. 0.3 and requires that any wire or cable must not propagate a flame or continue to burn for more than one minute after five, fifteen-second applications of flame. The flame source is removed for fifteen seconds in between flame applications. FT4 - This vertical test procedure is also specified under CSA Standard C22.2 No. 0.3 and used
to determine the flame propagation tendency of cables in a vertical tray. While this test is similar
to the UL Vertical Tray Flame test specified under UL Standard 1581, FT4 differs in severity. The
FT4 test requires mounting of the burner to be at 20° from the horizontal with its burner ports |
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© 2012 Lapp Group |
Lapp Group is not affiliated with Lapp
Insulator.
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