Clare Instruments Ltd V185 Extension Lead Tester, England. A portable electrical safety test instrument designed for testing extension leads and portable appliances, incorporating earth continuity measurement, L/N integrity testing and flash (high-voltage insulation) testing. Fitted with analogue earth circuit ohms meter, indicator lamps, test sockets and safety interlock controls, housed in a wooden carrying case. Late 20th century, c.1980s–1990s.
