Specifies requirements to be complied with by the manufacturer in the design and construction of electron accelerators for use in radiotherapy. It is identical with and has been reproduced from IEC 60601-2-1:1998. This Standard refers extensively to its Parent Standard, AS/NZS 3200.1.0. A readily available copy of AS/NZS 3200.1.0 is essential to the meaningful interpretation of this Part.