Electrical Installation Services in Maryland
Old residential buildings have cables that no longer meet today's requirements for modern electrical appliances. We are talking about old fabric cables and old ribbon cables. But the cross-section of the lines often no longer corresponds to the current standards. These lines represent an increased risk. Renewing the lines is therefore recommended. An old electrical distributor represents an additional risk. The thermal and short-circuit capable load capacity of the LS switches is often no longer available in an old automatic circuit breaker. According to today's DIN VDE regulation, a residual current circuit breaker and an LS switch according to type B are required. As well as overvoltage protection. Testing of electrical systems Before electrical systems can be put into operation at all, the system builder must carry out an inspection, testing and measuring. These tests must be carried out during construction and after completion. The results ...