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Your Trusted Long Island Electrician
J P Daly & Sons is a Long Island-based electrical services provider dedicated to delivering high-quality solutions for residential, commercial, and industrial clients. With deep expertise in local electrical codes and infrastructure, we specialize in installations, repairs, and maintenance that prioritize safety, efficiency, and compliance. Our team combines decades of experience with advanced tools to tackle projects ranging from small lighting upgrades to complex commercial systems.

We emphasize transparent pricing, prompt service, and a personable approach, ensuring clients receive clear communication and reliable results. As a locally owned business, we focus exclusively on serving the Long Island community, maintaining a commitment to exceptional craftsmanship and customer satisfaction.
Services
Residential Electrical Services Commercial Electrical Services Generator Installation Electrical Inspections Lighting Installation Electrical Repairs Maintenance Programs Energy Efficiency Upgrades New Electrical Installations CCTV Installation
Highlights and features
  • We offer local expertise in Long Island electrical codes and infrastructure.
  • Our team combines decades of experience with advanced industry tools.
  • We provide 24/7 emergency electrical services for urgent needs.
  • We guarantee transparent pricing with no hidden fees.
  • We prioritize personalized service and clear communication.
Services
Commercial Electrical Services
We provide comprehensive electrical solutions for commercial properties, including lighting retrofits, safety inspections, and energy efficiency upgrades. Our team ensures systems meet Long Island codes and supports businesses with maintenance programs to prevent downtime. From initial planning to emergency repairs, we deliver reliable service tailored to commercial needs.
Generator Services
Our generator services include installation, maintenance, and repair for residential and commercial clients. We help select the right models, ensure proper setup, and provide prompt repairs to maintain uninterrupted power. This service guarantees security against outages and supports critical operations during emergencies.
Electrical Inspections
We conduct thorough inspections for residential and commercial properties to identify issues like faulty wiring or overloaded circuits. Our diagnostics ensure compliance with safety standards and prepare clients for regulatory inspections. This service helps prevent hazards and maintain efficient electrical systems.
New Electrical Installations
We handle installations for appliances, lighting fixtures, and dedicated power lines in industrial and residential settings. Our work uses high-quality materials and ensures clean, damage-free results. This service supports safe, code-compliant setups for new or upgraded electrical needs.
Residential Electrical Services
We offer repairs, upgrades, and installations for homeowners, including wiring replacements and energy-saving recommendations. Our team explains each step to educate clients and ensure transparency. This service addresses both minor fixes and major renovations with minimal disruption.
Questions
How should I know when to call an electrician?
Call if you notice flickering lights, tripped breakers, blown fuses, or unusual electrical behavior. These signs indicate potential hazards requiring professional attention.
How much electrical work should I do on my own?
DIY electrical work is risky and often illegal. Prioritize safety by hiring a licensed electrician for any complex or code-related tasks.
How quickly can you respond to my call?
Emergency services are available 24/7. Non-urgent requests receive appointments within one business day.
My circuit breaker keeps resetting. Should I keep turning it on?
Repeated tripping indicates an overload or wiring issue. Contact us to diagnose and resolve the problem safely.
What is that sound coming from my electrical panel?
Unusual sounds signal dangerous conditions. Call us immediately to inspect and repair the issue.