A light sensor assembly comprising: a base assembly configured to be fixedly mounted to a housing of a light fixture, the base assembly holding fixture contacts configured to be electrically connected to the light fixture; a photocell module on the base assembly , the photocell module including a control circuit board having an upper surface and a lower surface , the control circuit board including contact openings therethrough and conductors associated with corresponding openings , the photocell module having a photocell electrically connected to the control circuit board ; contacts in corresponding contact openings in the control circuit board , and a cover coupled to the base assembly over the photocell module , characterised by each receptacle contact : (i) being a receptacle contact received in the corresponding contact opening , (ii) having a socket removably receiving the corresponding fixture contact ; (iii) having a mating interface positioned within the contact opening of the control circuit board and electrically connected to the corresponding fixture contact ; (iv) having a mounting beam terminated to the corresponding conductor of the control circuit board ; and (v) including a body having a first side and a second side , the body having a seam at the first side , the body having a protrusion at the second side that extends into the socket , the protrusion defining the mating interface , and further characterised in that the conductor is provided on the lower surface of the control circuit board , the mounting beam extending from a bottom of the receptacle contact and terminated to the corresponding conductor on the lower surface . a base assembly configured to be fixedly mounted to a housing of a light fixture, the base assembly holding fixture contacts configured to be electrically connected to the light fixture; a photocell module on the base assembly , the photocell module including a control circuit board having an upper surface and a lower surface , the control circuit board including contact openings therethrough and conductors associated with corresponding openings , the photocell module having a photocell electrically connected to the control circuit board ; contacts in corresponding contact openings in the control circuit board , and a cover coupled to the base assembly over the photocell module , characterised by each receptacle contact : (i) being a receptacle contact received in the corresponding contact opening , (ii) having a socket removably receiving the corresponding fixture contact ; (iii) having a mating interface positioned within the contact opening of the control circuit board and electrically connected to the corresponding fixture contact ; (iv) having a mounting beam terminated to the corresponding conductor of the control circuit board ; and (v) including a body having a first side and a second side , the body having a seam at the first side , the body having a protrusion at the second side that extends into the socket , the protrusion defining the mating interface , (i) being a receptacle contact received in the corresponding contact opening , (ii) having a socket removably receiving the corresponding fixture contact ; (iii) having a mating interface positioned within the contact opening of the control circuit board and electrically connected to the corresponding fixture contact ; (iv) having a mounting beam terminated to the corresponding conductor of the control circuit board ; and (v) including a body having a first side and a second side , the body having a seam at the first side , the body having a protrusion at the second side that extends into the socket , the protrusion defining the mating interface , and further characterised in that the conductor is provided on the lower surface of the control circuit board , the mounting beam extending from a bottom of the receptacle contact and terminated to the corresponding conductor on the lower surface . <EOS>