Chris's reminder is a good one—the 600V rating of most insulated "multi-tap" connectors pretty much limits their use to residential systems. I would also keep in mind that those connectors generally have a torque spec. I've definitely seen examples of meltdowns caused by poor terminations - either the compression screw isn't torqued properly or the conductor isn't fully inserted. To help eliminate the latter case, we used to favor the Burndy models (e.g., BIT4 <https://www.hubbell.com/burndy/en/Products/Power-Utilities/Connectors/Lugs-Terminals/Bolted/Vinyl-Insulated/BIT4/p/2021315>) because they had a transparent case; I see that Polaris also now offers transparent models (e.g., IT-4C <http://www.nsiindustries.com/catalog/nsiproducts/polaris-mechanical-connectors/polaris-vision-tap/it-4c> ).
-- Corey Shalanski Jah Light Solar Portland, Jamaica On Wed, Apr 28, 2021 at 7:38 AM Chris Sparadeo <sparadeo.ch...@gmail.com > wrote: > Keep in mind that Wagos, Polaris lugs, Multi-tap Burndy lugs are rated for > 600V. I can see this being a possible use for MC4 connectors in a higher > voltage splice scenario, because of their 1000V/1500V ratings.
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