Set: There are 6 pieces of GU10 lamp holders with terminal blocks, used for halogen lamps, LED lamps or downlights. Composition: This new GU10 lamp holder consists of a ceramic lamp base, 15 cm silicone cable and a PC connection bridge. Convenience: The holder is equipped with a terminal block, no need to buy extra, convenient, saves time and money. Double insulation: A heat-resistant insulated tube is added to the safe silicone cable to prevent the cable from being burned by the heat from the lamp. Safety protection: There is a black protective cover at the terminal block and lamp base, and the screws outside the cover completely lock the cable tube, it is very safe. The GU10 ceramic socket consists of a heat-resistant ceramic lamp holder, a silicone cable with an insulation protection and a connection bridge with a protective cover. It can connect the ceiling downlight to the mains and does not require a transformer. Very safe and easy to install. Note: 1. We always recommend that you have it installed by a professional electrician. 2. When installing the lamp holder or changing the lamp, make sure that the power is turned off.