Career Path Change?

Hi I went to school to become a Electrical Contractor and graduated with 3ed highest grade average in school but I never worked for any type of construction job besides flooring which was less than 4 months, because of this it is impossible for me to find a entry-level job in the contracting buisness both because I can’t afford a truck (have a car) and I have a lack of experince in just about any construction type job and the econemy where I live (boston, ma). So I am thinking of changing careers into somthing else that I really enjoy doing and that is computer programming and I was just wondering if it’s really worth it to pay to go back to school and learn somthing about a totaly diffrent feild. In computer programming are there more job oppurtunities, does the buisness / work demand go down if the econemy does? Is it steady all year around. Just trying to figure out my choices here. 5 stars for the person that can help me out the best, thanks so much everyone. =)

Electrical contractor told me 2- 2″ pvc ma. – what is that?

my electrical contractor told me i need 2- 2" PVC ma.

what does the ma. stand for?