The top of a portable ladder without guard rails should extend above the roof edge by at least how many inches?

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Multiple Choice

The top of a portable ladder without guard rails should extend above the roof edge by at least how many inches?

Extending a portable ladder above the roof edge provides the necessary reach to grip and step onto the surface safely. The minimum extension required is three feet (36 inches), giving you a solid handhold and a clear stepping area as you transition from ladder to roof. Shorter extensions, like 30 or 24 inches, leave too little clearance for a secure grip and a safe transfer, increasing the risk of slipping or losing balance. A longer extension, such as 42 inches, would still meet safety needs, but the point being tested is the minimum, which is 36 inches.

Extending a portable ladder above the roof edge provides the necessary reach to grip and step onto the surface safely. The minimum extension required is three feet (36 inches), giving you a solid handhold and a clear stepping area as you transition from ladder to roof. Shorter extensions, like 30 or 24 inches, leave too little clearance for a secure grip and a safe transfer, increasing the risk of slipping or losing balance. A longer extension, such as 42 inches, would still meet safety needs, but the point being tested is the minimum, which is 36 inches.

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