What Cable Do I Need For Outdoor Lighting
The cost difference between this wire size and a much smaller cable is negligible and 18-gauge is about as big as you can go if you would like your wires to fit into most holders or terminals.
What cable do i need for outdoor lighting. Idealy if this is froming part of a permenent installation it should be in soild core conductors. You could go for Hituf or conduit if its above ground and needs to be more robust. We recommend 12-gauge or 10-gauge wire for long distances.
The SPT3 cable is a larger cable cable size 10mm x 5mm and is capable of taking 150 watts of loading whilst the SPT1 cable is smaller cable size 5mm x 3mm and will take a maximum of 120w. You should be able to use 15 norsk cable wich is inexpensive unless its a mixed cicuit use 25mm norsk and cable clips. Run Thicker Cable to the First Light If youve got a bunch of lights spaced similarly but are a far greater distance from the power source you can run thicker gauge cable to the first light step down the cable size to the remaining lights.
If you have 20 fixtures you need 80 watts to turn them on. RCD used in the consumer unit. Exposed or buried wiringcable must be listed for its application.
You need at least 4 watts to power each fixture in the circuit. Large cable sizes offer lower voltage drop making them excellent for long-distance runs and high wattage. The wire number or wire gauge refers to the diameter of the bundle of strands with the smaller number being a larger wire.
The reason is that BS EN 60598 the applicable British and European standard for lights requires cable to be at least 075mm² for light fittings. You can fit the 300w flood light using 1mm 3 core TRS tough rubber sheath cable it will withstand the elements and sunlight better than PVC twin and earth. Neoprene rubber which has better UV resistance.
Using the wattage of each cable run individually. The applicable rules for outdoor cables and conduits include. This is to prevent voltage drop.