Indoor power supply system

The utility model discloses an indoor power supply system, including inlet wire, small-size switching power supply, accumulate device, emergency light source, alternating current switch, ampere meter, hand switch, interchange interface, test module, an interchange accuse, hand switch has the electrical connection who is used for signal transmission with exchanging between the accuse, exchange the data that the state of opening and shutting of the switch part that embodies hand switch can be acquireed through the electrical connection between its and the hand switch in an accuse, test module through hand switch with exchange the interface and have an electrical connection who is used for signal transmission, test module can test the electricity state of interface connect with electrical apparatus that exchange. An increase the mobility control end on the basis of indoor power supply system, in aforementioned system. The utility model discloses convenient maintenance, row hinder, reduce the emergence of the condition of the damage of electrical apparatus and circuit.