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Hi,
Scenerio.
Spur off ring mains by cutting in to leg, put in Junction box (accessible), then cable run to switched FCU for bathroom extractor switch (all outside bathroom).
Does the cable need to be 2.5mm to the FCU from JB or is 1/1.5mm ok as extractor not going to draw hardly anything.
Thanks for any replies if you can understand my bad explanation.
Scenerio.
Spur off ring mains by cutting in to leg, put in Junction box (accessible), then cable run to switched FCU for bathroom extractor switch (all outside bathroom).
Does the cable need to be 2.5mm to the FCU from JB or is 1/1.5mm ok as extractor not going to draw hardly anything.
Thanks for any replies if you can understand my bad explanation.