12-14-16 gauge

【WEATHER-RESISTANT CONNECTION】 This weatherproof extension cord connection box provides a watertight sealed space to protect outdoor & indoor plug connections from the elements like water, snow, rain, dust, and dirt to ensure circuit safety ( Note: It is just water-resistant. Do not submerse it in water)
【FITS 12/14/16 GAUGE Extension Cord】 Ample housing can accommodate a power strip with up to 6 outlets; fits up to 12 gauge extension cord and flat cable(not included); 5 cord holes feed multiple cords connections; 2 unopened optional drain holes are available to fit larger gauge cords or drain the water
【FRIM AND TIGHT CONNECTION】Rubber seals at every wire slot conform well to the power cord; inside cable retention clamps hold the extension cords tightly in place to prevent the plugs from sliding or disconnecting even if tug the cords in uses