Adopt an Insulation System
Another way to obtain an EIS is to adopt a system that has already undergone long-term thermal aging and sealed-tube testing. These EIS are UL Recognized Components under the category of System Components, Electrical Insulation (OBJS2) and have been evaluated for component suppliers.
Assuming that products in this category cover all the materials needed for constructing your insulation system, no testing is required. An adoption can be completed in about two to four weeks. A hard copy of the insulation system's construction details will be created and placed in your product's follow-up procedure.
Your company may also request an "electronic" adoption of the insulation system by accessing the EIS database. A single page detailing the EIS ratings is added to your file, along with instructions to consult the online database for materials suitable for use in the insulation system. One advantage to using this process is reduced paperwork. UL will also provide up-to-date revisions of the adopted EIS at no cost.
Information needed for adoption includes:
- Identification of the insulation system for adoption by the OBJS2 listee's name and insulation system's designation.
- Your desired designation for the insulation system being adopted.
- Your intended use of the insulation system, such as that used in complete products (e.g., motors, transformers), product pairs (e.g. stators, armatures) or as a combination of products.
- Your preference of adoption (hard copy or electronic). If an electronic adoption is required, please confirm that all of your manufacturing facilities have reliable Internet access.
UL strongly recommends that prior to the adoption of an EIS, you visit UL's Web site to review the complete details of that particular insulation system, so that you fully understand what you will be obtaining from UL. Should changes be desired prior to the adoption of a system, you are strongly encouraged to consult with a UL engineer to determine what, if any, testing will be required to implement these changes.