Supplier : a Frya#39;s (London) Ltd., 56, Southwark Street, London, S.E.I. Switch 0 0 The aquot; Nearflush aquot; switch is a shallow type surface switch I in. deep, ... It has four knockouts for back entry for sunk wiring, and two for top or bottom entry surface wiring. It is available in 1 and 2-gang, 1 and 2-way brown and white A.C. only.