Musa Abdus-Saboor knew how to be an electrician. He learned at his father’s knee, helping to carry his tools and tagging along to job sites with his brothers. “I’ve got the technical expertise,” says Saboor, founder of Saboor Construction, sitting at a table in one of the 70 Glenrose Gardens apartments he and his team are rewiring in South Atlanta. “My father was an electrician; I’m a licensed master electrician. My two brothers are also electricians.” As soon as Saboor gradu