The Neptune Downward Low Voltage Post Cap is an elegant way to light up your deck, fencing or railing. Made from premium quality vinyl, the Neptune Downward cap is low maintenance and will last throughout the years. The Neptune Downward Low Voltage Caps are simple to install with our LED Plug and Play system and do not require any electrical work. The starter pack includes 6 caps, an adapter and the wiring required to get started. The expansion packs include a post cap and the wiring you'll need to add additional post caps. The Neptune Downward Low Voltage post cap is also sold individually if you already have wiring in place. Click an image below for pricing.