Residential Electrician Mundelein & Chicago

4B Systems, Inc is a full service, licensed, bonded and insured, residential electrician based in Mundelein, Illinois.   As a residential electrician, we provide any electrical service in the metro Chicago region including, but not limited to the following residential electric services.

Installation of lighting fixtures, switches/dimmers and receptacle outlet(s)

  • receptacle outlet(s)
  • standard outlet
  • 120/240V outlet
  • isolated ground
  • dedicated outlet(s) – A/C, Oven, microwave oven,
  • two story fixture installation
  • under cabinet lighting
  • specialty lighting
  • retail display cases
  • stairway/step lighting
  • uplighting
  • high bay lighting
  • security lighting

Service Upgrade

Panel(s) and Sub-Panel(s) Installation and Upgrade

Adding Branch Circuit(s)

Code Correction(s)

Electric code violations pose potentially serious safety hazards and should be addressed quickly by a qualified electrician. Issues can pop up for a variety of reasons—old equipment, material damage, even an unskilled contractor performing the job improperly. We can get you up to code quickly to improve the safety and security of your building.

Paddle fans/whole house fans/exhaust fans

Recessed lighting

Recessed can lighting typically provides most or all of the general lighting in a room. They can also be used as good task lighting when directly focused over a particular area. We can perform the following:

  • Design
  • Professional Installation
  • LED recessed lighting layouts
  • General lighting/task lighting


Generators are devices that convert mechanical energy into electrical energy. Whether it’s a standby power system for a large data center, a backup generator powering the family home through an outage, portable generators powering tools at the job site, or any other device that needs ongoing power, we have generators that get the job done/

When utility power fails, a generator automatically turns the power back on to selected crucial circuits. These are items include but are not limited to Sump pumps, furnaces, air conditioning, refrigerators, lights, televisions and more. Generators can provide peace of mind and an added layer of confidence. Generators are used in typical applications below:

  • Residential and Commercial
  • As Portable backup power
  • As fixed backup power
  • Specific portions of a house or structure

Bathroom exhaust fan(s) – sales, installation and insulated venting to the attic exterior

LED lighting

Our knowledge of this highest-efficacy technology allows us to make the best possible use of LED lighting’s strengths while being consultative regarding its limitations. We have experience in all practical applications for LED lighting, such as accenting coves, illuminating cabinets, or using an RBG color rotation to add drama to any space.

Above ground swimming pools

Inground Pools

Hot tub(s)

Flat Panel TV/Monitor mounting for residential and commercial.