Vintage Used Crouse Hinds Co. Arktite Receptacle AR 342. 30A, 250VDC, 600VAC.  In good shape, does still have previous cables coming out the back, very heavy duty, casing in excellent shape, spring on lid tight.  Does have some paint on outside on label plate & casing.  Untested.  Sold as is, see photos for details.  Shipping mostly by USPS to US, international through the eBay Global Shipping Program, paid by buyer.  Will combine shipping, request invoice/total before paying.