scope:

Add the following paragraph:

This standard is also applicable to individual timers utilized as part of a control system or timers which are mechanically integral with multifunctional controls having non-electrical out puts.

Add the following paragraphs:

Timers for equipment not intended for normal household use, but which nevertheless may be used by the public, such as equipment intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard.

Throughout this standard the word 'equipment' means 'appliance and equipment'.

This standard does not apply to timers designed exclusively for industrial applications.

In the explanatory note, replace the reference to IEC 328 by the reference to IEC 1058-1.

Replace this subclause by:

This standard applies also to timers incorporating electronic devices, requirements for which are contained in annex H.