the variable Strength is the decal.
local Wire = script.Parent
local Strength = script.Parent.unpowered.Transparency
Strength = 0.0666 * Wire:GetAttribute("SignalStrength")
Wire:GetAttributeChangedSignal("SignalStrength"):Connect(function()
Strength = 0.0666 * Wire:GetAttribute("SignalStrength")
end)

1 comment
At first i did not understand what this meant but know i know. Thank you for the help!