Software for the yard running power distribution panels.

A power distribution panel is what a rental yard sends when a job has one big power source and a crew that needs many safe places to plug in. It takes a feeder from a generator or a temporary service and breaks it down through branch breakers to GFCI-protected receptacles for tools, lights, pumps, and welders. On an oilfield pad it spreads power where no permanent service exists; on a construction site it carries the work until the building's own panel is energized. That role is also why panels are tricky to run as a fleet: they go out as part of a power package, the connector and voltage have to match the source exactly, and energized wet-location duty wears receptacles, gaskets, and GFCI devices. EquipFlow handles them the way the yard that built it does — dispatch, billing, maintenance, and return inspection on one unit record.

Built inside Rental King, right now.

Rental King is a heavy-equipment rental yard in Odessa and Midland, TX. They run power distribution panels, manlifts, forklifts, light towers, generators, compressors, and water trucks on MSA contracts through the Permian Basin — 24/7, oilfield pace. EquipFlow was designed and first deployed inside that yard. Every feature was tested against their live operation before it shipped. The product runs there today.

Distribution panels are low-glamour, high-liability units, and that is exactly where a yard gets hurt two ways. A panel sits energized but idle for long stretches — a crew on another task, a shift gap — and that standby time earns nothing if it never reaches the invoice. On the safety side, a panel returned with a dead GFCI or a charred receptacle is both a charge the yard missed and a unit that could go back out unsafe. The run-hour reading and the GFCI test are the spine of maintenance and the proof behind a damage charge, so both have to be captured the same way every return, against the rental record. When dispatch, billing, maintenance, and inspection read from one record, the dispatcher quotes the right rate, the electrician services on real hours, and nothing goes back out untested.

Power Distribution Panel specs the rental record tracks.

Every number below is a sourced specification range. The render layer is the only path these values reach the page — they live on the unit record, not in a dispatcher's head.

Feeder/main current rating

60-400A

Input voltage rating

120-480V

Branch breaker rating

20-50A

Branch receptacle count

4-10ct

Branch breaker interrupting rating (AIC)

10kA

GFCI trip threshold

5mA

Enclosure environmental rating

3R-4NEMA

How EquipFlow handles power distribution panels on the dispatch board.

Power distribution panels rarely go out alone. A panel is dispatched as part of a power package — a generator or shore-tap as the source, feeder cable to reach it, and the right receptacle and breaker configuration for the load — so the dispatch board treats the panel, the cable, and the source as linked lines on one rental, not three loose assets. The trap is the connector and voltage match: a panel sent with the wrong input lugs, the wrong receptacle layout, or single-phase hardware for a three-phase job is a wasted trip and an idle crew, so the dispatcher confirms voltage, phase, and connector type on the rental record before the truck leaves. Because the same panel class gets reserved across overlapping job windows, the board flags double-bookings at assignment rather than at the gate.

Billing power distribution panels — MSA, standby, and site-level tax.

Temporary-power demand in the oilfield and on long turnarounds is mostly MSA-contracted, so the negotiated rate for a distribution panel lives on the customer record per equipment class, not in a sheet the dispatcher keeps current. A rental created for that account picks up the right rate automatically. Panels spend long stretches energized but idle — the job runs in shifts, or the crew is waiting on another trade — so standby billing matters here: when a panel sits hooked up and live but the work is paused, the dispatcher marks standby and the invoice carries active and standby as separate lines with no month-end reconstruction. Feeder-cable add-ons, delivery, and pickup ride the same invoice. Tax is set on the delivery-site record, so a panel that moved across county lines still bills at the right rate per site. Invoices post to QuickBooks Online on close.

Maintenance on power distribution panels.

A distribution panel has no engine, so its preventive-maintenance clock runs on energized run-hours rather than calendar time, captured at the return inspection and posted to the unit record so the maintenance module schedules the next service against real usage. The service is electrical, not mechanical: torque checks on lugs and breaker terminations that loosen under heat cycling, GFCI device testing on every protected branch, contact and receptacle inspection for arcing and burn, and a megohm insulation check on feeder terminations after wet-location duty. Connectors take the most abuse — pin-and-sleeve and twist-lock receptacles wear, char, and bend — and a panel that fails a GFCI trip test or shows a burned termination at return becomes a repair ticket on the same unit record, not a unit quietly sent back to a customer.

Power Distribution Panel return inspections.

Two rhythms apply. While the panel is on rent the customer is responsible for the daily energized check — confirming GFCI devices trip and reset and that no connection is running hot — which is the operator-facing safety duty under the electrical-safety standard. The yard's own control is the return inspection: before a panel comes off rent, the driver runs a mobile-web checklist on a phone with no app install, records the run-hour reading, tests every GFCI branch, and attaches required photos that cannot be skipped. Panel-specific checks belong here — enclosure and gasket condition for the wet-location rating, lug and breaker tightness, receptacle face and pin condition, and any sign of arcing or moisture ingress. The inspection ties to the rental record before the truck leaves the site, so a dispute over a burned receptacle or cracked enclosure has photos and a timestamp behind it.

Common power distribution panel classes in the field.

The product, the same way it runs for power distribution panels.

The sections below are the EquipFlow modules that matter most when running power distribution panels — each links to the full feature detail.

Operator guides for running power distribution panels.

Field-tested playbooks that go deeper on pricing, dispatch, billing, and maintenance for fleets like this.

• Daily, Weekly, and Monthly Rental Rate Structure →
• Fuel and Environmental Charges on Rentals →
• How to Forecast Equipment Demand →
• How to Manage Parts Inventory for Repairs →

What you give up running power distribution panels in EquipFlow.

EquipFlow is a web app, so the return inspection needs a signal to load. On a remote pad with no coverage the driver cannot finish the mobile inspection at the site, and most yards run it at the yard on return — which means the run-hour reading, the GFCI test result, and the photos land later than ideal. There is no automatic monitoring of a panel's live load or ground-fault history while it is on rent; the energized check is the customer's daily duty and the yard's record begins at return. And the billing logic is built around the MSA-and-standby model temporary power runs on, so a yard with an unusual rate structure should bring it to the demo to be scoped honestly.