| CPC F21V 31/005 (2013.01) [F21V 23/0464 (2013.01); F21V 23/06 (2013.01); F16J 15/064 (2013.01); F21W 2131/10 (2013.01)] | 20 Claims |

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1. A receptacle assembly for a luminaire system, said receptacle assembly comprising a receptacle and a gasket;
said receptacle having a front side and a rear side, said front side being configured for receiving electrical contacts of an external module, said rear side being configured for extending in an opening of a housing, preferably a luminaire housing, and for being electrically connected to components in the housing;
said gasket being configured for being located between the receptacle and the housing on which the receptacle is to be mounted;
wherein said receptacle assembly is provided with an indicator means at a location which is visible when the receptacle is mounted on the housing;
wherein the receptacle is configured to receive the external module by inserting and twisting, and wherein the indicator means is configured to indicate when the external module is in the correct twisted position.
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