IEC 60670-22 pdf download

IEC 60670-22 pdf download Boxes and enclosures for electrical accessories for household and similar fixed electrical installations – Part 22: Particular requirements for connecting boxes and enclosures
1 Scope
This clause of Part 1 applies with the following addition:
Add after the fourth paragraph:
This standard applies to connecting boxes for junction(s) and/or tapping(s).
NOTE Unless otherwise stated, throughout the document the term “boxes” also applies to “enclosures”.
2 Normative references
This clause of Part 1 applies with the following addition:
IEC 60998 (series), Connecting devices for low-voltage circuits for household and similar purposes
IEC 60999-1 :1 999, Connecting devices – Electrical copper conductors – Safety requirements for screw-type and screwless-type clamping units – Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm 2 up to 35 mm 2 (included)
3 Definitions
This clause of Part 1 applies with the following additions:
3.1 01
connecting box
junction box
box allowing connection of conductors
3.1 01 .1
junction connecting box
connecting box allowing connection of one or more junctions
3.1 01 .2
tapping connecting box
connecting box allowing connection of one or more taps from one or more main conductors
NOTE Connecting boxes according to 3.1 01 .1 and 3.1 01 .2 may be combined.
3.101.3
cord outlet connecting box
connecting box allowing one or more connections to be made between a fixed installation anda flexible cable
3.102
connecting box with integral clamping units
connecting box in which clamping units are permanently retained as an integral part of thebox (see Annex AA)
3.103
connecting box with incorporated terminals or connecting devices
connecting box with detachable terminals or connecting devices retained within the box bymechanical means (see Annex AA)
3.104
connecting box with provisions for subsequent incorporation of terminals orconnecting devices
connecting box with provisions for incorporating terminals or connecting devices to beretained within the box by mechanical means (see Annex AA)
3.105
connecting box for floating terminals or connecting devices
connecting box intended to accommodate terminals or connecting devices but without provisionto retain them (see Annex AA)
3.106
rated connecting capacity
cross-sectional area of the largest conductors as declared by the manufacturer
3.107
terminal
insulated or non-insulated re-usable connecting device intended for electrical connection ofconductors of cables
3.108
clamping unit
part(s) of a terminal necessary for the mechanical clamping and the electrical connection ofthe conductor(s) including the parts which are necessary to ensure correct contact pressure
3.109
connecting device
device for the electrical connection of two or more conductors comprising one or moreterminals and if necessary, insulation and/or ancillary parts