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[sloppo1]

Hi this is my first post. I am replacing a cieling rose with a suna light but i have two cable coming from the cieling with a red,black and barewire from each. The light switch has one cable with Red, Black and bare i have connected all black in the light to N and all red to L in the switch i have connected red to L1 and black to comon the light worked then it blew the fuse can any one help.

[sparx]

Hi,

why did you not note how original was connected?!!!!!!!!!!!
once more 'red-to-red, black-to-black, BL[U]EW-to-BITS!'.

At light put both reds into a spare connector not to the light.
one black to L, other to N; bare earths sleeve/tape green/yellow and connect to earth of light.

the black at switch should be sleeved/taped red as it is a Live switch wire & not a Neutral.
if you can tell which black it is at light it should be likewise marked as switched live.
See project section at top of page, scroll to replacing a light fitting, all in colour,
the reason it blew was when you switched on, it put a short circuit across switch which may have damaged it, be prepared to replace switch.
regards.