Cables are subject to stringent standards that determine how they are designed, manufactured, and installed. A good partner should be well-versed in all of the required and recommended guidelines, such as International Organization for Standardization (ISO), National Electrical Code (NEC), Underwriters Laboratories (UL), Occupational Safety and Health Administration (OSHA), Restriction of Hazardous Substances (RoHS), and California Proposition 65 (Prop65).