
I used it to connect all the Christmas lights on my planted bush. I connected these extensions to these splitters: https://www.amazon.com/gp/product/B07DTF2HHM/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1. These are definitely heavy duty outdoor cables. The quality is great and they have built in outlets so you don't contaminate/corrode outlets you don't intend to use.

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