Local hd available.
https://www.homedepot.com/p/Commercial-Electric-3-4-in-Gray-2-Gang-7-Holes-Weatherproof-Box-WDB775XG/300846382
https://www.amazon.com/TayMac-DD5100XS-2-Inch-Weatherproof-Outlets/dp/B00JTQX1GG/ref=pd_aw_pspc_dp_m_m_5?pd_rd_w=guUYm&content-id=amzn1.sym.bf5038ff-fa03-4dd5-b515-682974a204ae&pf_rd_p=bf5038ff-fa03-4dd5-b515-682974a204ae&pf_rd_r=0Q2N1ZY2P9BS0FXXENC4&pd_rd_wg=G27aa&pd_rd_r=08e2f45f-db7a-4d17-a981-62661bc970a2&pd_rd_i=B00JTQX1GG
