Chapter 8

Question 1

Beam

Answer 1

Main structural member of a ladder supporting the rungs or rung blocks

Question 2

Bed Section (also called base section or main section)

Answer 2

Bottom section of an extension ladder

Question 3

Bedded position

Answer 3

Extension ladder with the fly
section(s) fully retracted.

Question 4

Butt (also called heel or base)

Answer 4

Bottom end of the ladder; the end that is placed on the ground or other supporting
surface when the ladder is positioned

Question 5

Butt Spurs

Answer 5

Metal plates, spikes, or cleats attached to the butt end of ground ladder beams to prevent slippage

Question 6

Fly Section

Answer 6

Upper section(s) of extension or some combination ladders; the section that moves.

Question 7

Footpads (also called shoes)

Answer 7

Swivel plates attached to the butt of the ladder; usually have rubber or neoprene
bottom surfaces

Question 8

Guides

Answer 8

Wood or metal strips, sometimes in the form of slots or channels, on an extension ladder that guide the fly section while being raised.

Question 9

Halyard (also called fly rope)

Answer 9

Rope or cable used for hoisting and lowering the fly sections of an extension
ladder; also called fly rope.

Question 10

Heat Sensor Label

Answer 10

Label affixed to the inside of each beam of each ladder section; a color change indicates that the ladder has been exposed to a sufficient degree of heat and should be tested before further use

Question 11

Hooks

Answer 11

Curved metal devices installed near the top end of roof ladders to secure the ladder to the highest point on a peaked roof of a building.

Question 12

Pawls (also called dogs or ladder locks)

Answer 12

Devices attached to the inside of the beams on fly sections used to hold the fly section in place after it has been extended.

Question 13

Protection Plates

Answer 13

Strips of metal attached to ladders at chafing points, such as the tip, or at areas where it comes in contact with the apparatus mounting bracket

Question 14

Pulley

Answer 14

Small, grooved wheel through which the halyard is drawn on an extension ladder.

Question 15

Rails

Answer 15

The two lengthwise members of a trussed ladder beam that are separated by truss or separation blocks.

Question 16

Rungs

Answer 16

Cross members that provide the foothold for climbing; the rungs extend from one beam to the other

Question 17

Stops

Answer 17

Wooden or metal pieces that prevent the fly section from being extended too far.

Question 18

Tie Rods

Answer 18

Metal rods located beneath rungs extending from one beam to the other of a wooden ladder

Question 19

Tie (top)

Answer 19

Extreme top of a ladder

Question 20

Truss Block

Answer 20

Spacers set between the rails of a trussed ladder; may support rungs.