> Wouldn't it be feasible to simply open up the existing three-way devices
> and remove the two legs that are undesired?
Jack,
Although not optimum (through a slow discharge of surge current to neutral),
cutting the L/G, and N/G MOVs and leaving only the L/N MOV in a pre-existing
3-mode SPD is certainly a possibility. I see nothing that would violate UL
1449 -- but I'm no expert with UL standards.
One point not mentioned before (and I think to Pete's point) -- I would not
install any SPD device on a branch circuit without first installing a
whole-house SPD. I don't think that's a requirement from the single-mode
SPD manufacturers, just my own philosophy for what that's worth!
Paul, W9AC
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