Just want to add this. My nephew before he turned 1 year old always referred to his mother by saying ma or maam!! Baby speech. Of course he can't talk yet. My question is, how did he know that's his mom ? No one ever told him and for sure no one ever called his … Read more

Aluminium wire/wiring in houses is not that common. Though information states that homes during the early 1950's and late 1970's made use of them. This is because they oxidise and this increases their resistance and leads to overheating. Pig-tailing with copper will solve this plus AL stamp on the plastic covering indicates aluminuim wires.