Serving Oakland and Macomb Counties Office hours: Monday–Friday, 8:30 a.m.–4:30 p.m.

The short answer

Start with the complete system and the evidence

Electrical diagnostics traces a power problem through the affected circuits, connections, loads, and supply. Sandison uses the timing of the symptom and appropriate measurements to identify the correction and any condition that needs utility coordination or further access.

What Sandison evaluates

A practical path from symptoms to the right scope

  • Clear diagnostic process
  • Licensed multi-trade coordination
  • Repair and replacement options
  • Residential and commercial support

Scope and system boundary

Electrical Diagnostics begins with the installed system and the specific failure

Electrical diagnostics isolate circuits, reproduce timing when safe, measure voltage and current, inspect protection and connections, evaluate heat and load, identify upstream or utility effects, and document inaccessible or unsafe conditions. Electrical diagnosis documents the affected circuits, load and timing, breaker behavior, voltage, connection condition, heat or odor, grounding and bonding, panel and service information, equipment requirements, and any unsafe or inaccessible condition. The purpose is to identify the failed function, its effect on the property, and the accessible evidence—not to force every symptom into the same repair menu. Sandison records conditions that belong to another trade, utility, manufacturer, restoration provider, or design professional instead of hiding them inside an equipment recommendation.

Decision and verification

The electrical diagnostics recommendation should show why the next step fits

A device repair, circuit correction, load management, panel work, service upgrade, dedicated equipment circuit, or utility coordination is selected from calculated and measured demand, conductor and equipment condition, spaces, clearances, and future loads. The evidence should preserve circuit identification, relevant voltage or current observations, thermal or visual findings, connection and protection condition, load assumptions, photographs where safe, and verification under controlled operation. The written scope separates included work, permit or inspection questions, concealed conditions, owner responsibilities, exclusions, and the verification expected after completion. Availability, exact pricing, warranty coverage, and project duration are confirmed for the actual property rather than promised by a general service page.

Primary references

Verify the local and credential information.

Common questions

What property owners ask

Does a tripping breaker mean the breaker is defective?

Circuit loading, damaged devices, connection problems, and failing equipment can also cause trips. Testing should identify the affected loads and protective function before choosing a replacement or circuit correction.

What should I note about an intermittent power problem?

Record which rooms or devices are affected, what equipment is running, and when the problem occurs. Share any heat, odor, noise, or visible damage without opening electrical equipment or trying to recreate a hazardous event.

Could partial power loss be a utility problem?

Upstream supply conditions can resemble faults within the property. Testing the affected circuits and service helps distinguish building-side work from a condition requiring utility involvement.

Evidence and review

Why this page can be trusted

Service information based on Sandison’s documented trade scope and the technical references below. Contact the office to discuss the conditions at your property.

Technical lead: James Sandison, B.S. Mechanical Engineering, Oakland University. Michigan Mechanical License 7115733 · Michigan Master Plumber 8112263 · Michigan Plumbing Contractor 800-3618. Service information record: 2026-08-28.

Save$50on service
A welcome from Sandison

Put $50 back in your pocket.

New residential customers can save $50 on a qualifying completed repair or installation.

Offer codeWELCOME50

Licensed multi-trade service · Office-confirmed scheduling

New residential customers only. One offer per household. Cannot be combined with another offer. Not valid for dispatch or diagnostic fees, maintenance plans, permits, or after-hours emergency service. Qualifying work and final eligibility are confirmed before service.