Abstract: An electrical lamp system is provided that comprises a base unit and a lamp unit for attachment to the base unit. The base unit includes a housing to be fixed to a wall or ceiling and a plurality of contact terminals that are arranged to contact corresponding contact terminals of the lamp unit when attached. A plurality of connection terminals secured to the base housing are adapted for connection to wires fed to the base unit such that wires connected to the connection terminals can power the lamp unit via the base unit contact terminals. The lamp unit includes a lamp housing an electrical lamp secured to the housing, a plurality of contact terminals arranged to contact said contact terminals of the base unit. The system includes locating means arranged to locate the lamp unit in a first position against the base unit in which the lamp unit is permitted to be separated from the base unit by translation of the lamp unit in a direction away from the base unit along a separation axis.