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| Keywords: Burnt terminals.JPG en Burnt screw terminal As you can see workers with certificate also can make mistakes What was the mistake -Previous qualified specialist had connected old aluminium cable to new copper cable inside screw terminals After washing machine worked for six months with this connection a burning smell became evident inside the apartment When the apartment owner called me I hadn't seen such a method of wiring What was the reason -There was fresh spackling paste and paint in the stairs but the electrician didn't want to break into the freshly filled walls to put a new cable He left old the aluminium cable between the distribution board and junction box inside the apartment own Dmitry G 2009-09-24 How I solved that problem Step 1 thumb left thumb <br clear all> It was quite a dangerous operation I didn't want to break through the wall in the stairs by drilling too long a hole ~30cm between the apartment and distribution board When my drill bit got to 25cm I was sweating cause I was fearful of contacting the phase wires with my drill bit It took me about 2 hours to drill the last 5 cm and I was sweating the entire time Fortunately the hole was drilled correctly and no under voltage wires were caught by my drill bit <br clear all> Step 2 thumb left thumb <br clear all> After installing fuse box I connected the phase wire into the main circuit breaker and switched the electricity on It's working Improper electrical wiring Internal junction boxes Burned objects | ||||
