One example of a 3 wire lighting system.
Brown 3 core lighting cable.
Brown black grey cores with bare earth.
240 volt lead 13amp 19 99.
Brown live l1 it is important to remember that you will often see a mixture of the new and old style colour coding in commercial and industrial buildings although there should be a warning sticker as well as phase labeling.
Three core and earth cable.
One of the main applications for this cable is when two way lighting is required it provides the additional conductor between two switches operating the same light fitting.
Cable cable management.
Note the neutral is not connected to the actual switch the two neutrals are connected.
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Standard multi core lines are available with 2 cores 3 cores 4 cores or 5 cores however some manufacturers offer rubber flexible cable variants with up to 19 conductive cores.
Ali s diy 3 core round black flex flexible cable 3183y 0 75 mm 10 metre cut length.
Three core and earth cable has three conductors which are colour coded black grey and brown as well as the earth.
Prysmian 6243yh grey 1mm 3 core earth cable 50m drum 93349 product rating 4 8 out of 5 stars compare.
Lighting cable showing the three 0 75mm copper cores live brown neutral blue and earth green yellow.
Typically single core mains cables are used for higher current ratings as one line will be used for each of the three phases plus neutral and earth.
Cables which have conductors with a cross sectional area of 0 75mm are rated at 6 amps or 1 380 watts 6 amps x 230 volts is 1 380 watts.
One 2 core earth cable takes live and neutral to the switch back box a second cable takes the neutral and switched live to the light.
If you require a flexible connection in portable electrical appliances we have a range of electrical flex cables available in white black and orange and in a choice of types including 3 core round flex heat resistant flex and 2 core round flex.
Make offer 3183y 50m electrical cable white mains wire extension lighting flex 1 5mm 3 core 20 metre white 1 5mm 3 core electrical flex cable wire.
An example of a 3 wire lighting circuit is shown in figure 2.