Isolated Power System Specialists · NFPA 99

Isolated power your surgical suite can be certified on.

We inspect, recertify, and commission the isolated power systems and line isolation monitors that keep your operating rooms electrically safe. Annual recertification, new-system acceptance testing, and hazard-current verification — with the documentation your Joint Commission surveyor expects to see.

Isolated Power System line isolation monitor displaying total hazard current in milliamps
50+
Hospitals Served
NFPA 99
Certified
24/7
Support
Zero
Survey Findings

Inspection, Recertification & Installation Services

From annual recertification to new-system acceptance, we cover the full lifecycle of a hospital isolated power system — and give you the documentation to prove compliance with NFPA 99 and the Environment of Care standards.

Annual NFPA 99 Recertification

Complete isolated power system testing and certification to meet The National Fire Protection Association standards and hospital accreditation requirements.

Line Isolation Monitor Service

Testing, calibration, and replacement of line isolation monitors — Bender, Post Glover, Square D and more. We verify alarm accuracy and retrofit inoperative monitors so fault conditions are always detected.

Hazard Current Testing

Ground-leakage pathway validation, isolated transformer secondary testing, and fault simulation — confirming the ground-fault alarm trips at 5 milliamps, or within specification, to keep patients and staff protected.

New System Acceptance Testing

Pre-occupancy acceptance testing and wiring verification for new operating room builds, renovations, and system upgrades — confirming the isolated power system meets specification before the surgical schedule resumes.

Documentation & Reporting

Survey-ready test reports, equipment certificates, hazard analysis documentation, and compliance files organized for Joint Commission and CMS audits.

In-Service Education for Staff

Facility engineer and clinical staff training on IPS principles, LIM operation, alarm response, and electrical safety best practices during patient procedures.

WATCH THE EXPLAINER · 56 SECONDS

Your IPS, your wet locations, surveyor-ready every visit.

An inline animated walkthrough of how we keep your isolated power system passing inspection. Closes with a free 118-page IPS field guide.

▶ Watch the Explainer →
THE IPS FIELD GUIDE
FREE · 2026 EDITION

The IPS Field Guide

118 pages on isolated power system testing: NFPA 99 (2026) updates, LIM calibration step-by-step, hazard current testing, OR renovation acceptance, and the wet-procedure-location accountability framework surveyors are auditing this year.

↓ Download the eBook (PDF)

News & Guidance

NFPA updates, survey findings, and field insights from IPS testing across North America.

Educational

NFPA 99 (2026) Wet-Procedure-Location Accountability Framework: A Field Tester's Walkthrough of Every New Documentation Line

NFPA 99, Health Care Facilities Code, classifies operating rooms as wet procedure locations unless a facility governing body's risk assessment determines otherwise. Where isolated power is installed, the standard expects the line isolation monitor and system to be verified and the results retained. The recurring challenge for testers is not the electrical measurement — it is proving, on paper, who performed the verification, what was observed, and how any deficiency was resolved.

That is where a disciplined accountability framework earns its keep. For each wet procedure location we document the responsible party, the conditions verified, the total-hazard-current reading against the roughly 5 mA LIM alarm threshold, and the corrective action taken when something falls out of specification. Every line ties back to the panel's nameplate and the room it serves, so an auditor can follow the trail without guesswork.

CMS and accrediting organizations survey hospitals against a safe environment of care, and vague or missing records are a common source of findings. We walk facilities through the documentation line by line, leave behind clean templates on every annual visit, and frame corrective-action language the way surveyors expect to read it — clear, specific, and closed out.

Sources: NFPA 99, Health Care Facilities Code; CMS Conditions of Participation

May 7, 202613 min read
Informative

Joint Commission's Spring 2026 Interim E-Edition: NFPA Alignment Notes for HTM Programs

The Joint Commission periodically updates its accreditation standards and Environment of Care requirements to stay aligned with the codes it surveys against — principally NFPA 99, Health Care Facilities Code, and NFPA 101, the Life Safety Code. For healthcare technology management (HTM) programs, the practical question with any update is narrow: does it change what we test, how often we test it, or how we document it?

For isolated power systems, the enduring requirements are stable — verify the line isolation monitor and system on schedule, confirm the total-hazard-current alarm behaves at roughly the 5 mA threshold, and keep records that a surveyor can follow. What updates tend to touch is documentation and risk-assessment expectations around wet procedure locations, which is exactly where HTM programs should focus their quarterly review.

We help facilities read each update through an IPS lens: flag the items that actually affect line-isolation testing and recordkeeping, ignore the noise, and make sure the current quarter's documentation reflects any change. The aim is to keep programs aligned with The Joint Commission and NFPA without adding busywork that does not improve patient safety.

Sources: The Joint Commission; NFPA 99, Health Care Facilities Code

May 14, 20267 min read
Field Notes

Dispatch: The 1.7 mA "Phantom" That Only Appeared When the Coffee Machine Across the Hall Was On

One reading. Three retests. The total hazard current would creep up by 0.4 mA every weekday morning at 6:35 AM, then settle back by mid-shift. A drifting LIM reading that comes and goes is one of the more frustrating findings in the field, because the honest answer to "is the system safe right now?" is "it depends on the time of day" — and that is not an answer you can put in a survey record.

The line isolation monitor sums the leakage current of everything connected to the isolated system. In a healthy panel the total hazard current sits well below the roughly 5 mA alarm point NFPA 99 associates with the LIM. When a reading wanders, the cause is almost always additive: one more load, one more length of cable, one more insulation path to ground. Here the trigger was a perfectly innocent appliance on a nearby circuit — but chasing it exposed how the panel feeders had been re-pulled during last year's renovation, adding capacitive coupling nobody had tested for at acceptance.

That is the long tail of the story. The appliance was a red herring; the renovation wiring was the real finding. It is also the argument for acceptance testing after every OR build or remodel, and for taking a small, repeatable drift seriously instead of retesting until it looks fine.

Sources: NFPA 99, Health Care Facilities Code; AAMI

May 19, 20266 min read

Let's keep your IPS compliant and survey-ready.

Tell us your facility, OR count, and current testing schedule. We respond within one business hour.

Isolated power & NFPA 99 in 2026

Under NFPA 99, Health Care Facilities Code, operating rooms are classified as wet procedure locations unless a facility risk assessment determines otherwise, and isolated power systems with line isolation monitors remain the preferred means of protection where power interruption cannot be tolerated. Where isolated power is installed, the line isolation monitor and system must be verified at least annually — the recurring recertification we perform to keep your surgical suites survey-ready.

Source: NFPA 99, Health Care Facilities Codenfpa.org; Anesthesia Patient Safety Foundation.

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The BiomedRx Network

Our Family of HTM Companies

The BiomedRx Network unites regional and specialty healthcare technology management companies—preventive maintenance, repair, calibration, electrical safety, and isolated power testing—under one trusted standard.

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FAQ

Frequently Asked Questions

What biomedical equipment services does Isolated Power System provide?
We provide preventive maintenance, corrective repair, calibration, electrical safety inspection, and isolated power system (IPS) testing for hospitals, surgery centers, and clinics.
Are your biomedical technicians certified?
Yes. Our BMETs are certified and our work follows Joint Commission, CMS, and NFPA 99 standards so your facility stays survey-ready.
How fast can you respond to an equipment failure?
We offer scheduled preventive maintenance plus priority on-call service to minimize downtime on critical medical equipment.
Do you help with regulatory compliance and documentation?
We do. Every service includes the documentation you need for Joint Commission, CMS, and NFPA 99 surveys.
How do I request service or a quote?
Call (424) 204-2382 or email info@isolatedpowersystem.com and our team will schedule an assessment.
Devin Lockett, Founder
About the Founder

Devin Lockett

Devin Lockett is the founder and entrepreneur behind this venture and the wider BiomedRx family of companies—spanning healthcare technology, wellness, media, and community initiatives. He builds brands focused on quality, service, and independent ownership.

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