Complex sentence: Balloon framing has been outlawed by building codes in many areas because of the fire danger that it poses, although some electricians like working in balloon frame buildings, because the lack of fire blocking makes it much easier to add circuits.
Split into simpler sentences: Balloon framing has been outlawed by building codes in many areas because of the fire danger that it poses. Some electricians like working in balloon frame buildings, because the lack of fire blocking makes it much easier to add circuits.