2 Scope of this guidance document
The safety advice in this document applies to UV-C sources and UV-C products which
emit in the wavelength range of 180 2 nm to 280 3 nm.
Not within the scope are:
• devices having their own product safety standard, such as IEC 60335‑2‑109 applicable to UV-C water disinfection equipment and IEC 60335‑2‑65 applicable to UV-C air disinfection equipment
• application environments of UV-C devices
• products combining UV-C irradiance with chemicals and additives
• products that do not emit UV-C radiation such as UV-A, UV-B and near-UV devices
• requirements for performance and functional characteristics
• requirements for preventing material degradation and material damage