This part of IEC 60832 gives the essential requirements for devices that can be attached onto and removed from the fitting of the insulating sticks for live working, for use on a.c. electrical installations. Part 1 of IEC 60832 covers insulating sticks. In this part of the standard, the term “device” is used for “attachable device”, unless otherwise specified. Products designed and manufactured according to this standard contribute to the safety of the users provided they are used by skilled persons, in accordance with safe methods of work and the instructions for use.