WAC 296-150V-1380
Can gas tubing be concealed in a conversion
vendor unit or medical unit? (1) Tubing must not be run inside
walls, floors, partitions, or roofs.
(2) If tubing passes through walls, floors, partitions, roofs,
or similar installations, the tubing must be protected by the use
of weather resistant grommets that snugly fit both the tubing and
the hole through which the tubing passes.
[Statutory Authority: Chapter 43.22 RCW. 99-18-069, §
296-150V-1380, filed 8/31/99, effective 10/1/99.]