Site Glossary

The American National Standards Institute  or ANSI is an organization that sets safety standards for construction equipment

The base section is the fixedladder section that does not move on an extension ladder. It remains planted to the ground and supports the fly section

The charge is thecontents of a fire extinguisher under pressure that smothers a flame when released.

A Class A fire extinguisher type is suitable to treat fires from ordinary combustibles like wood, rubber, fabrics, and plastics

A Class B fire extinguisher type is suitable to treat fires from flammable liquids and gases like gasoline, oils, paints, and lacquers

A Class C fire extinguisher type is suitable to treat fires involving live electrical sources

Combustible is a term to describematerial in a liquid or solid form that will ignite at a flashpoint of over 100 degrees

Conspicuity is a term to describe something that is

 easily seen or noticed; readily visible or observable and attracting special attention

Dermal absorptionis the transport of a chemical from the outer surface of the skin through the skin and into the body

Duty rating is thetotal weight in pounds a ladder is designed to hold including a person and all tools and materials they are carrying