1. Do the single and triple AC power meters (like the EPM-JLD404PWA-1R0 and EPM-JLD416PWA) remember their setup parameters when power is disconnected, or do they have to be entered again?
2. Comparing the red EPM-JLD404PWA-R1 and blue EPM-JLD404PWA-1B, they look like the same meter except for the display color. Is the price difference due only to the display color or is there some other difference?
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