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A further potential problem can be found within the junction
box (opposite) concerning the type of conductors that are
typically terminated. It is often the case in domestic
installations that solid twin & cpc cables will be used for the
fixed wiring with the conductor to the light fitting (or
transformer if the lighting is ELV) being a flexible conductor.
Care must be taken to ensure the strands of the flexible cable
are secured adequately in the terminal and have not been
damaged to ensure compliance with regulation 526.2
Also, as can be seen in this illustration, when the
conductor was removed for inspection it is clear that some of
the strands have been damaged during termination.
“Ensure that the connection method
selected is fully compliant”.
Guide to
| Junction Boxes
6