NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

Which of the following safety rules does not apply?

1. Do not stand on the top two rungs of the ladder

2. Remove broken lamps carefully

3. Turn off power to the luminaire before working on it

4. Do not put your hand over the scaffold railing

The correct answer is: Do not put your hand over the scaffold railing

The correct answer indicates that "Do not put your hand over the scaffold railing" is a safety rule that doesn't apply in this context. This option may not be specific or universally applicable to all scenarios encountered by a lighting technician. Safety protocols typically focus on stable, secure environments and direct interactions with lighting equipment. In contrast, the other rules listed are foundational safety practices essential for working with ladders, electrical components, and potentially hazardous materials. For instance, not standing on the top two rungs of a ladder minimizes the risk of falling by maintaining proper balance and stability. Carefully removing broken lamps is crucial to preventing injury from sharp glass and avoiding further damage. Turning off power to the luminaire before working on it is an essential electrical safety precaution that prevents electrocution or accidental short circuits. Each of these other options reflects established safety standards that protect workers in the lighting field, whereas the guideline regarding scaffold railings may not be relevant to the primary duties or working conditions of a lighting technician.