Check the listing for details. BBC- GHG 531 4409 VO EXPLOSION PROOF EXTERNAL WALL SOCKET 3P 16A 220V (H). Condition: Used. Listed at 115.00 USD. BBC GHG5314409NO 3POLE 16A 220V EXPLOSION PROOF EXTERNAL WALL SOCKET (4 PIN) 8.5IN LONG X 4.5IN WIDE X 6IN MAX HEIGHT FLIP UP PLUG COVER W/ TWIST LOCKING MECHANISM ***All of our used breakers are fully tested. Primary injection tested, DLRO contact resistance and insulation tested. Full test reports are available upon request for a fee. Checking continuity with an Ohm meter does not qualify as testing a breaker. Buy with confidence knowing that your used breaker will perform to factory specifications.***All of our used breakers are fully tested. Primary injection tested, DLRO contact resistance and insulation tested. Full test reports are available upon request for a fee. Checking continuity with an Ohm meter does not qualify as testing a breaker. Buy with confidence knowing that your used breaker will perform to factory specifications.