Shadow-Caster Power Distribution Box [SCM-PD]Power Distribution Box Power Distribution Box for Multiple Underwater Lights The Shadow Caster Marine Power Distribution Box is a great accessory whenever installing three or more lights. It provides the convenience of separate connections and fusing for up to 6 Shadow Caster Lights and can support up to 100 amps of current. Our Power Distribution Systems are a convenience for installing and controlling our lights and can support an easy upgrade to