Bluetti Split-phase output cable

Applicable Model: AC300 1×2*TT-30P to L14-30C (Connect two AC300 to transfer switch via TT-30P AC output ports.) Applicable Model: AC5001 x 2* NEMA 14-50 to SS2-50R Cable (Connect two AC500 to transfer switch via NEMA 14-50 AC output prots.)Applicable Model: EP5001×2*L14-30 to L14-30C (Connect two EP500Pro to transfer switch via L14-30 AC output ports.) Shipping Policy Free shipping on all orders How long does it take for delivery?5-7 working days（Except for pre-sale products） .Which countries do you ship to?Only the United States, other countries need to place orders on our other websites.We cannot provide the following services.1. Alaska2. Hawaii3. PR4. VIHow will my delivery be shipped? UPS, FEDEX are our logistics partners, shipping Build The Power products.I ordered more than one item. Will they all be delivered at the same time?We try to make sure all your items reach you at the same time. Sometimes our products are not always sent together since