Malachite Gemstone meaning. Malachite is believed to be a strong protector of children. It is said to protect the wearer from accidents and protects travelers. Malachite has been used to aid success in business and protect against undesirable business associations. It is a stone of balance in relationships.
Adhere to all national and local codes. Figure 3: Smoke detector mounting orientation for dampers equal to or greater than 25 inches (635mm) in height. Figure 2: Smoke detector mounting orientation for dampers less than 25 inches (635mm) in height.Duct Breakaway Connection(by others)1 1 â2 in.x 1 1 â 2 in.16 ga.dhere to all national and local codes. Figure 3: Smoke detector mounting orientation for dampers equal to or greater than 25 inches (635mm) in height. Figure 2: Smoke detector mounting orientation for dampers less than 25 inches (635mm) in height.
NFPA 90A requires the first duct smoke detector to be installed on the supply side of air handler units of more than 2,000 cubic feet per minute (cfm) and requires one on the return side of units of more than 15,000 cfm and serving more than one story.