Part Number THHN-4-STR-BLK-2500R having (CAGE Code 1B240) and FSC 6145 Wire and Cable Electrical in stock with ready to ship. Get an instant quote for THHN-4-STR-BLK-2500R Wire Electrical by Graybar Electric Co Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.