Master Electrician Serving the Berlin area.

Phone: (978) 838-2457


About Paul Keleher Electrical Services

Paul Keleher is the owner/operator of Paul Keleher Electrical Services, performing electrical service and installation contractor residential and commercial customers in the Boston Metro-West area for over 30 years.

Paul Keleher Electrical Services specializes in:

  • Sales and installation of Electric Thermal Storage Heating Systems in residences, institutions and businesses throughout Eastern Massachusetts.
  • Safety evaluation and remediation of aging wiring systems, including the testing of installed circuit breakers.

Paul Keleher Electrical Services has 30 experience performing many conventional electrical services as well, such as:

  • Electrical service evaluations and upgrades when necessary
  • Kitchen and bath remodelling
  • Lighting design and installation
  • A wide variety of miscellaneous residential electrical and communication upgrades

Paul Keleher Electrical Services has served its customers in the Berlin area with a commitment to service and value. Paul has the experience and expertise to get the job done right the first time. Our skilled professionals use only the finest tools and materials. Once we've made the necessary repairs, it's almost as though the damage never occurred. We provide personalized service and affordable rates.

And if there's anything else we can do to make your experience any better, just ask. We appreciate your interest and look forward to earning your business.

Paul Keleher Electrical Services Code Proposals

A working electrician in central Massachusetts with over 30 year's experience in residential electrical service to his credit, Paul Keleher has made several proposals to amend the National Electrical Code to improve the safety of electrical installations, with particular emphasis on improvements to the performance of installed 120V circuit breakers.

The 2014 NEC code revision cycle is now underway, and Paul Keleher plans to make submissions to further strengthen the performance requirements of circuit breakers under the NEC.

• 210.19(A)(5) NEC proposal & substantiation_CORRECTED 110508.pdf
Size : 100 Kb
Type : pdf


• Supporting doc for 210.19(A)(5)-NEC 250.4(A)(5) et al.pdf
Size : 15 Kb
Type : pdf


• Supporting doc for 210.19(A)(5)-Branch Circuit VD-ASCC-I2T.pdf
Size : 20 Kb
Type : pdf


• Supporting doc for 210.19(A)(5)-RESIDENTIAL CIRCUIT BREAKER RESPONSE DATA-by I2T.pdf
Size : 97 Kb
Type : pdf


• Supporting doc for 210.19(A)(5)-Soares Gdng & Bdng- pp 203-207.pdf
Size : 464 Kb
Type : pdf


• 2011NEC_Proposed 210.19(A)(5).pdf
Size : 468 Kb
Type : pdf

2004 Product of the year category winner

In pursuit of a better understanding of how circuit breakers work, Paul Keleher invented, patented and with engineering assistance developed the first plug-in tester to conduct a controlled short-circuit test of a 120-volt branch circuit from an outlet, and record critical data on the installed performance of circuit breakers. He formed KO Instruments, Inc. in 2003 to commercialize the CBA-1000 Circuit Breaker Analyzer, which was recognized by EC&M Magazine as the Test Instrument of the Year in 2004.


When to Call a Pro: Contact Us

Don't wait until you have six electronic devices going into one outlet, and you smell wiring burning while the lights dim after you turn on your air conditioner. Contact us as soon as you have any questions about your electrical system. Your safety is paramount, and I have many years experience to offer. I look forward to your phone calls and inquiries with any question you may have. There is no charge for electrical advice given out on the phone or by email.

Paul Keleher