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Difficulty: Very hardSafety Procedures and Environmental Controls

A datacenter administrator is establishing environmental control parameters and hazardous material procedures for a facility housing high-density server racks and lead-acid uninterruptible power supply (UPS) systems. Which TWO of the following operational procedures strictly adhere to safety procedures and environmental controls?

  1. Maintain the server room's ambient relative humidity between 40% and 55% to minimize electrostatic charge buildup while preventing moisture condensation on circuit boards.Answer
  2. B
    Lower the server room relative humidity below 20% to maximize heat transfer efficiency and prevent equipment thermal throttling.
  3. Consult the Safety Data Sheet (SDS) for mandatory personal protective equipment (PPE), chemical exposure hazard data, and approved disposal requirements prior to handling leaking UPS batteries.Answer
  4. D
    Wear an ESD wrist strap attached directly to the chassis frame while servicing open, powered high-voltage power distribution units (PDUs) to prevent ground loops.

Answer

The technician must keep relative humidity between 40% and 55% to balance electrostatic discharge protection with condensation prevention, and consult the Safety Data Sheet (SDS) before handling hazardous materials like damaged UPS batteries.
Maintaining ambient humidity between 40% and 55% prevents ESD buildup without causing condensation on internal electronics. Additionally, Safety Data Sheets (SDS) are mandatory documentation containing essential safety measures, handling procedures, and disposal guidelines for hazardous battery chemicals.

Step-by-Step Solution

1
Evaluate environmental humidity control standards for electronic equipment safety.
Relative humidity levels lower than 40% cause high static charge buildup, whereas levels above 55% introduce condensation hazards. The proper target envelope is 40% to 55%.
Environmental safety controls mandate balancing ESD suppression against moisture formation.
2
Determine chemical and hazardous material safety compliance requirements.
The Safety Data Sheet (SDS) is the designated standard document containing chemical composition, PPE requirements, emergency first-aid, and regulatory disposal procedures.
Consulting the SDS ensures compliance with workplace safety standards and chemical handling protocols.
3
Assess personal safety risks associated with anti-static grounding devices on live high-voltage equipment.
ESD wrist straps must never be worn near high-voltage circuits or open power distribution units due to electrocution risk.
Personal safety takes priority over component protection when dealing with high voltage.

Key Concept

Datacenter environmental humidity management and SDS chemical safety compliance
Estimated Time:2m 0s
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Topics

Safety Procedures and Environmental Controls

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