今天叫把真儿,有更大的发现。根据安省法律,室内的天然气管线,都可以DIY,但开通前需要一个有licence的人inspection。哈哈,哪天接根管到后院就方便了。

附上code (ONTARIO REGULATION 215/01),省着童鞋们净记得,听说什么什么的哈。
55. (1) A person is exempt from subsection 3 (1) with respect to the following activities:
1. Installing or servicing an appliance in a detached dwelling that is owned and occupied by the person but the person shall not activate a newly installed appliance until a person who is the holder of an appropriate certificate referred to in subsection 3 (1) determines that the appliance and its installation comply with the requirements of Ontario Regulation 212/01 (Gaseous Fuels) and Ontario Regulation 213/01 (Fuel Oil).
2. Installing, activating or servicing a portable appliance for his or her own personal use provided that the appliance does not serve the public.