The hydroelectric power lines of second-hand houses generally have to be started separately. The previous ones cannot be used anymore. The following four points need to be taken into account in hydropower reform:
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1, second-hand housing distribution system settings
Here only for the meter is 5 (20) A typical second-hand housing configuration (family: two rooms, one room, one kitchen, one bathroom). Total open: 20-25A bipolar circuit breakers; Lighting: 10A single-pole circuit breakers; common room sockets: 16A with leakage protection open; kitchen outlets: with ordinary outlets; bathroom outlets: with ordinary outlets, such as bathroom without large appliances Consider merging the circuit with the kitchen; air conditioning outlet: 16A single pole circuit breaker 2 way. This configuration will be adjusted due to different conditions of household electrical appliances, for reference only.
2, second-hand housing should not use instant-type water heaters or extra power central air-conditioning, ovens and other appliances. If it is necessary to purchase related electrical appliances, it is necessary to explain the situation during the design of the hydropower, so as to avoid severe current overload and affect normal operation.
3, second-hand housing weak (Internet telephony) transformation is often subversive, the need for re-wiring.
4, second-hand housing waterway reform, especially galvanized pipe, in the design to consider completely replace the new pipe; such as the replacement of the total valve need to temporarily stop water for an hour or so, contact the relevant unit in advance to obtain consent and staggered cooking peak; drain pipe In particular, the change of iron pipes to PVC pipes should be done on the one hand to prevent metal pipes from leaking from the joints of the PVC pipe. The other is a non-pressure pipe, which must be ensured.
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