18w of watts per fixture X 6 of lights needed 108w minimum watts the transformer must support What Are Other Features in a Transformer.
Do i need a transformer for outdoor lighting. If you are replacing existing incandescent 12V bulbs you will need to replace the transformer with a special LED driver. All LED bulbs require a driver a special type of transformer to work properly. If you are using low-voltage lighting a transformer is needed.
A single crystal may be 15v at 1 watt so they series and parallel several on a chip to get a higher rating eg. Also asked do I need a transformer for outdoor lighting. If your outdoor lighting is solar-powered you will not need a deck lighting transformer.
So every 12v powered garden and outdoor light system in the UK will always have at the very beginning of the lighting run at least one 12v transformer. If your outdoor lighting is solar-powered you will not need a deck lighting transformer. The transformer is the main component for distributing safe voltage to all of your landscape lights.
The short answer here. 12-Volt landscape lighting fixtures of your choice. It is to be powerful enough to illuminate all your outdoor fixtures.
A powerful transformer might be necessary. Do I Need A Transformer for Safe Outdoor Lighting. Not only will it save you money over buying several.
This consideration enables your landscape lights to work properly for many years ahead and will decrease issues with lights failing or ending up with weak outputs further down the line of wire connections throughout the property landscapes. If you plan on installing outdoor lighting you might consider purchasing a landscape transformer. As a professional landscape lighting designer looking to install and operate a new low voltage lighting system you need to consider what transformer will be required to convert your standard line voltage outlets using 110-120V into your outdoor low voltage 12V-15V lighting design.

