Any system under 200 watts will be fine using 16 gauge wire.
Landscape lighting wire diagram.
Wiring schematic diagram low voltage lighting landscape light fixture lights led 840 landscaping yr 8460 driveway spotlight wire outdoor install system layout.
Proper use of these techniques is imperative in order to provide the needed 11 5 volts to your fixtures and ensure wire amperage capacities are not exceeded.
Strip the end of each wire so that 3 4 of bare copper is exposed.
Http lightingdoctor ca learn how to wire low voltage landscape lighting with an easy to follow wiring diagram demonstration.
Repeat with other wires.
The only wiring method that can get equal voltage to every fixture is an equalized hub method of wiring.
You will need wire cutters strippers two appropriately sized wire nuts and one cable tie for each fixture.
Second you need to be able to distribute equal voltage to every single fixture in your landscape lighting system and that takes a well planned wiring method.
12 and 16 gauge.
Over 200 watts you should use a 12 gauge sized wire.
How to splice a light into a run of outdoor lighting cable.
Most low voltage landscape lighting wire comes in two different sizes.
Here are the links for water.