Original Equipment Manufacturers
                                           
                                           
                                           

                                          Standards and legislation

                                           
                                           

                                          For more information about international standards, click on one of these useful links:

                                           

                                          UL (Underwriters Laboratories)

                                          NEC 409/UL/ 508 (Our Support Web Site in the US)

                                          IEC (International Electrotechnical Commission):

                                          ISO (International Organization for Standardization)

                                          JSA (Japanese Standards Association)