3 Core and Earth
(7 products)3 core and earth consists of three colour coded, inner insulated conductors in black, brown and grey in addition to the earth. One of the most common applications for 3 core and earth cable is to enable the installation of two-way switching, whereby two separate switches within a building operate the same light fitting. This is possible due to the additional conductor. Three core & earth cable is typically flat for a more straightforward installation into behind plaster and is offered in a range of lengths to suit.
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