Certified Data Centre Professional (CDCP) Practice Exam 2025 – All-In-One Study Resource to Ace Your Certification!

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What should high voltage cables in data centers indicate?

Contractor's name and power rating

Cable type and manufacturer

Name of the UPS and rack

PDU name, breaker, phase of the end in and out

High voltage cables in data centers should indicate the PDU name, breaker, and the phase of the end in and out because this information is crucial for the safe and efficient management of power distribution within the facility.

Knowing the PDU (Power Distribution Unit) name allows technicians to trace and identify the specific unit providing power to particular devices. The breaker information is vital as it helps to manage and protect the electrical circuit from overload, ensuring that any faults can be quickly addressed to minimize downtime or damage. Moreover, the phase indication is essential in a three-phase power system, helping to balance loads and ensuring that devices receive the correct power distribution for optimal performance.

This detailed labeling aids in maintenance, troubleshooting, and adherence to safety regulations, enhancing operational efficiency in the data center.

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