This standard specifies the requirements for flexible cords, elevator cables, and hoistway cables, rated 600 V maximum, and intended for use in accordance with CSA C22.1, Canadian Electrical Code (CEC), Part I and CAN/CSA-C22.2 No. 0, General Requirements - Canadian Electrical Code, Part II, in Canada, NOM-001-SEDE, La Norma de Instalaciones Electricas (Mexican Electrical Code [MEC]), in Mexico, and NFPA 70, National Electrical Code (NEC), in the United States. 1.2 Products included: This standard covers the following products: a) service cords; b) elevator cables; c) hoistway cables; d) heater cords; e) range and dryer cords; f) cords for decorative lighting; g) tinsel and lamp cords; and h) special use cords. 1.3 National differences In cases where product types are not approved in all three countries, a national difference is indicated by superscripts, as shown below: Superscript letter // National difference. c For use in Canada only; m For use in Mexico only; u For use in United States only; c,m For use in Canada and Mexico only; c,u For use in Canada and United States only; m,u For use in Mexico and United States only.