IST
Integrated Systems Testing tests electrical, mechanical, controls, and operational systems together under realistic scenarios. IST often surfaces coordination, controls, sequencing, and failure-mode issues that single-system tests miss.
Read definition →Load letter
Load letter is a customer-provided or utility-requested summary of expected electrical load, timing, voltage, redundancy, and operating characteristics. It is often an early artifact in large-load utility conversations and should be consistent with ramp and design assumptions.
Read definition →Gray space
Gray space is support infrastructure area such as electrical rooms, mechanical rooms, staging, storage, and back-of-house space. It may not directly house servers, but it is essential to making white space usable and reliable.
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