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Padmount Transformers


What is a padmount transformer?

Padmount transformers are the green, metal utility boxes that are mounted on small slabs of concrete near many homes and businesses. This equipment, which provides power for you and your neighbors, sits on an easement with which OPPD and other service providers can perform necessary work.


In order to work safely, OPPD crews need at least 10 feet of clearance in front of the transformer (the side that is padlocked), three feet on two sides, and at least one foot on the fourth side.

Padmount Diagram from Above

Landscaping Proximity Illustration

Fencing near a padmount isn’t a problem as long as the minimum clearances are met. The main thing to avoid is blocking the front side of the transformer. If a fence is to run along that side, a gate that swings away from the front of the padmount must be installed.

Customers are also asked to refrain from painting the equipment a different color. Ensuring that the equipment is the appropriate color reduces crew confusion and contributes to a safe working environment.

Improper Clearance

Fences, shrubs and trees that are located too close to transformers can slow restoration work during an outage, create a serious safety hazard, and may need to be removed to gain access. By keeping this area free from debris, vegetation, fencing and building structures, you can help avoid outages, quickly return service in emergency situations and avoid unnecessary costs. Here are some examples of improper clearance.


Residential - Customer Service - Padmount Transformers - Fence Proximity 1 JPG  Residential - Customer Service - Padmount Transformers - Shrub Proximity JPG  Residential - Customer Service - Padmount Transformers - Fence Proximity 2 JPG
Residential - Customer Service - Padmount Transformers - Buried Padmount JPG  Residential - Customer Service - Padmount Transformers - Fence Proximity 3 JPG  Residential - Customer Service - Padmount Transformers - Tilted Padmount JPG  

Landscaping Tips

For more suggestions on landscaping around padmount transformers, visit:

As with any project involving digging, customers should call the Diggers Hotline at least two working days prior to beginning.

Doorhanger Notice

OPPD contractor crews inspect and repair OPPD’s padmount electric equipment. This work is part of an ongoing inspection program to help extend equipment life and avoid outages.

If you have any questions regarding the inspection and construction program please call Consumer Sales and Service, 402-636-3330.


Meter Manual

OPPD's Meter Manual contains specifications and drawings. The manual supplies key information to customers, employees, architects, engineers, contractors and others.

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