(8) “Bump hat or cap” means a device worn on the head to protect the wearer from
bumps or blows but which does not meet the requirements of protective helmets.
(9) “Carabiner” means a connector generally comprised of a trapezoidal or oval
shaped body with a closed gate or similar arrangement that may be opened to attach
another object and, when released, automatically closes to retain the object.
(10) “Chin protector” means the portion of a device that offers protection to a
wearer’s chin, lower face, and neck.
(11) “Competent person” means a person who is capable of identifying existing and
predictable hazards in any personal fall protection system or any component of it, as well
as in their application and uses with related equipment, and who has authorization to take
prompt, corrective action to eliminate the identified hazards.
(12) “Conductor” means a material, such as a bus bar, wire, or cable, suitable for
carrying an electric current.
(13) “Connector” means a device used to couple or connect parts of the fall
protection system together.
(14) “Corrective lens” means a lens ground to the wearer’s individual prescription.
(15) “Cover lens” means a removable disc or colorless glass, plastic-coated glass, or
plastic that covers a filter lens and protects it from weld spatter, pitting, or scratching
when used in a goggle.
(16) “Cover plate” means a removable pane of colorless glass, plastic-coated glass,
or plastic that covers a filter plate and protects it from weld spatter, pitting, or scratching
when used in a helmet, hood, or goggle.
(17) “D-ring” means a connector used on any of the following:
(a) In a harness as an integral attachment element or fall arrest attachment.
(b) In a lanyard, energy absorber, lifeline, or anchorage connector as an integral
(c) In a positioning or travel restraint system as an attachment element.
(18) “Deceleration device” means any mechanism that serves to dissipate energy
during a fall.
(19) “Deceleration distance” means the vertical distance a falling employee travels
from the point at which the deceleration device begins to operate, excluding lifeline
elongation and free fall distance, until stopping. It is measured as the distance between
the location of an employee's body harness attachment point at the moment of activation,
at the onset of fall arrest forces, of the deceleration device during a fall, and the location
of that attachment point after the employee comes to a full stop.
(20) “Energized”, also known as “live”, means to be electrically charged, or that to
which voltage is being applied.
(21) Equivalent means alternative designs, equipment, materials, or methods that the
employer can demonstrate will provide an equal or greater degree of safety for employees
compared to the designs, equipment, materials, or methods specified in the standard.
(22) “Eye size” means a measurement expressed in millimeters and denoting the size
of the lens-holding section of an eye frame.
History: 1983 AACS; 2014 AACS; 2018 AACS.