mcyr
(Marcel Cyr, CMI)
1
Saw this for the first time last week.
Anyone guess what it is.
Hint:
Mostly used in basements, commercial warehouses, commercial building bathrooms. etc.
Don’t look it up now. ha. ha.
http://www.nachi.org/forum/attachment.php?attachmentid=20556&d=1208720680
Marcel 
mcyr
(Marcel Cyr, CMI)
3
Alright smart $ss. I should have figured the electrian would have known that.
They got to be wired in right. ha. ha. Hey, you cheated, this was the plumbing section. Your answer is void. 
Marcel 