本帖最后由 爱城一粒沙子 于 2011-8-19 06:40 编辑 : }) Q. D* D' D+ Y
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电工证不包括煤气,煤气证才可以碰煤气.. W# M+ [0 ? K2 q
Your work need Gas Technician ticket.1 ~9 ]. {/ [9 v* `! J) Y# B3 t
If detector was installed outside the Furnance, nothing connect with it, that is OK. - M2 d6 V) O% t! E* mIf at inside and you did have Safety-Tag on it, your gas valve will be shut off by Gas Tech and got fine. ) E; f A6 u% N1 r; e! i; l# P! |$ E! D8 o, L# U# z1 i2 |) O7 N6 J
Good Luck!