You're right to be skeptical of the subtext claiming hospitals are typically single-phase, two-wire. That statement is incorrect.

Grok is correct to disagree.Here's why: Hospitals require a massive and reliable power supply

They operate critical medical equipment, life support systems, and have large heating/cooling demands. Single-phase power is simply not sufficient to meet these demands.

Hospitals use three-phase power

Hospitals primarily utilize three-phase power for the vast majority of their electrical needs. Three-phase power is much more efficient for running high-power equipment like medical imaging devices (MRI, CT scanners), large HVAC systems, and elevators. It also provides better voltage stability and reduces the likelihood of voltage drops under heavy load.

Single-phase power exists in hospitals, but only for small, isolated circuits

While three-phase is the main system, you'll find single-phase circuits used for general lighting, receptacles for standard office equipment, and other low-power applications. However, these are just small portions of the overall electrical infrastructure.

Redundancy and Backup Systems

Hospitals have complex power distribution networks with multiple transformers, generators, and UPS (Uninterruptible Power Supply) systems to ensure uninterrupted power during outages. These systems are often designed to handle three-phase loads.*

Code Requirements

Electrical codes (like the NEC in the US) have specific requirements for healthcare facilities that mandate the use of robust and reliable power systems, which typically involve three-phase distribution.

In summary, hospitals are predominantly powered by three-phase systems due to their high power demands and the need for reliable, stable power. Single-phase power is only used for less demanding circuits and appliances.

So, trust Grok on this one! The subtext under the picture is providing incorrect information. Flag for review