The "load" for triacs is a requirement today. The triac needs a brief shot of resistance to current flow to get the ball rolling. The go-to solution nowadays is a small capacitor across the output. That gives the triac a shot of current to trigger, but doesn't impose a constant load on the output. For TMCC LED upgrades, we add a .01uf cap across the lighting outputs to allow reliable operation. Without the cap, the LED doesn't draw any current until it's close to it's rated operating voltage, to the triac never "sees" it and doesn't trigger.
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