hardMultiple ChoiceObjective-mapped
220-1102 Practice Question: A technician is installing a new UPS…
A technician is installing a new UPS (Uninterruptible Power Supply) in a server rack. The UPS is heavy and must be mounted securely. What is the most important safety consideration during installation?
⚠ Common exam trap
The trap here is that candidates focus on electrical safety (grounding) or operational readiness (battery charge) instead of recognizing that the immediate physical hazard of moving a heavy object is the most critical safety consideration during installation.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a lifting team or mechanical lift to position the UPS.
The UPS is a heavy piece of equipment, and improper lifting can cause serious injury or damage. Using a lifting team or mechanical lift ensures safe handling and prevents back strain, crush injuries, or dropping the unit, which is the primary safety concern during physical installation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Ensure the UPS is connected to a grounded outlet before mounting.
Why it's wrong here
Connecting the UPS to a grounded outlet before it is securely mounted is premature and can introduce additional hazards. While proper grounding is critical for electrical safety during operation, the immediate concern during physical installation is safely positioning the heavy unit. Attempting to connect power before mounting can create a tripping hazard with the power cord or strain the outlet if the unit shifts during placement, diverting focus from the primary task of secure physical installation.
- ✓
Use a lifting team or mechanical lift to position the UPS.
Why this is correct
UPS units, especially larger models, contain heavy batteries and transformers, making them exceptionally weighty. Utilizing a lifting team of at least two individuals or a specialized mechanical lift, such as a server lift or rack lift, is crucial to prevent severe back injuries, muscle strains, or the accidental dropping and damaging of the expensive equipment. This practice adheres to fundamental workplace safety protocols for handling heavy loads.
- ✗
Verify that the UPS batteries are charged before installation.
Why it's wrong here
Verifying the battery charge status before installation is an operational check, not a safety precaution relevant to the physical mounting process. UPS units typically ship with a partial charge, but they require connection to AC power for an extended period post-installation to achieve a full charge and calibrate. The state of the battery charge has no bearing on the physical safety risks associated with lifting and positioning the heavy unit into a rack or onto a stable surface.
- ✗
Install the UPS at the top of the rack for better airflow.
Why it's wrong here
Installing heavy equipment like a UPS at the top of a rack significantly raises the rack's center of gravity, making it unstable and prone to tipping over, especially during maintenance, component installation, or if the rack is moved. For optimal stability and safety, all heavy components, including UPS units, should always be mounted at the lowest possible positions within a rack. Airflow considerations are secondary to maintaining structural integrity and preventing catastrophic rack failure.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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