you should put 'an' before electric because the first letter of the next word is a vowel
my mom
No.
An or the
If it is a duplex receptacle then two cords is the maximum that should be connected to it.
No.
Yes, he does. He is put to death by an electric chair.
Yes, you should put a comma before "as" when it is used as a conjunction in a sentence.
you should do it about 15-30 seconds before you turn
put your goggles on
Five years.
before
Mortar should cure for at least 24 to 48 hours before it is safe to put weight on it.