Hey there
So finally, after too much hesitation I took the exam and passed it!
I've always thought that this exam will be so much hard, and I was right!
The exam is not in depth at all, but cover so many ideas that you have to know them all.
In the exam, you can't "think" about a question, you either know or not.
Like fire extinguisher classes and which one to use, never had a clue!
Didn't use any book at all, books are boring. I used professor messer videos with the review questions and a lot lot lot lot lot lot lot of googling! again google is you friend.
I took two days off studying, now will start for 802, I'll take it next week or so.
thanks everybody for the supportive community here, keep it up 

Cheers