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    Precise Wiring System

    4.9 (47 reviews)
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    Response time

    6 hours

    Response rate

    75%

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    Services - Precise Wiring System

    Electric inspection

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    Recommended Reviews - Precise Wiring System

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    Joshua and Connor 1-20-22 at 8 a.m.  Thanks Mario for quick service within an hour.
    Gail U.

    1-20-22 You know the saying, when it rains, it pours? Gosh we sure had our share of electrical issues pounding down on us all of a sudden. I used Yelp to find electricians and narrowed them down to distance from me, stars and 7 a.m. opening times. I put in Request A Quote before 7 a.m. 3 names popped up. One company answered he was unavailable. Luckily as soon as it was 7 a.m. I phoned Mario and was told to text him my address. I asked him, You can come out this morning? Answer was yes and his men were going to be in Mililani and they'd come to me first. Hooray, golly gee was I relieved and happy. Pessimistic thinking before I went to bed was hope the house doesn't burn down with that loud humming problem. Yesterday someone rang our doorbell and a loud buzzing was emitted from the internal housing and droned on for 17 hours. It was bothersome like a mosquito trying to attack your ear non stop. That very same evening the outlet upstairs stopped working. A week ago our ceiling fan with lights went kaput. Long story short, Joshua and Connor arrived in 2 separate trucks a few minutes before 8 a.m. They looked at the list I wrote out of items needing repair or replacement and went straight to work. I asked for the price and Joshua said he needed to run some diagnostics. Once the wires were exposed he said $600, cash or check. I started to write out the check and Joshua said they were going to City Mill to pick up parts. Perfect timing cuz I had to run our fur bebe to the vet for her bortadella. That was at 9 a.m. By the time I returned they were already by their trucks, finished by 10:45 a.m. They were nice, efficient and trouble shooted quickly from one issue to another including a stair outlet, garage light, upstairs outlet, ceiling fan and doorbell. Would I call them again for future problems? Most definitely What had me sold was fur bebe approved of Joshua who seemed to be the lead electrician and watched him calmly without going bonkers. She was so relaxed taking everything in. If you need a good recommendation to have some electrical work done, give Mario a call. If he is busy he can contact a side job for you Licketty split! I was more than impressed. Great to have that weight taken care of so swiftly. Note: 6+ hours so far since they left: we are waiting to get a receipt for the work order as we paid $600 for 2 hours 45 minutes which included time away from our place to pick up supplies.

    Dryer outlet replaced
    Kelly W.

    My tenant had her dryer go out. I called Mario and he sent one of his guys out and arrived within 30 minutes. Within one hour he had the outlet replaced and the circuit breaker replaced. He called me and gave me the price and sent pictures of everything he did. Fast, reliable, great value and RESPONSIVE! Highly recommend this company for any electrical needs! Thank you Mario and Joshua!

    Here's the text string...

    If I could give 0 stars I would but the lowest is 1. I'm very upset that I allowed Mario, the owner of Precise Wiring System, to dupe me. I had what seemed to be possibly an electrical issue and he responded that he would come by to check it out and provide a free quote. He came and all he did was take off the plate to the wall outlet and rotate the outlet 180 degrees and put the plate back. I asked him is that really going to fix it and he assured me yes. I even asked him shouldn't you at least open the electrical panel to check it out and he said no. I was skeptical but he seemed confident that it would fix the problem and charged me for his services just to rotate a wall outlet! I asked him if it didn't fix the issue, if I could contact him and he'll come back to fix it and he said yes. I feel embarrassed that I trusted him. That night we noticed that the issue wasn't fixed and I have been trying to contact him ever since. I've called him and texted and messaged through Yelp and no real responses. He has my money and has now ghosted me. I'm not sure how he has so many 5 star reviews whether they are real or fake or paid reviews but please make sure he does what he promises before you pay him or else you may fall prey to his shady business. BEWARE! I'll gladly update this review if and when the owner, Mario, responds and rights the situation.

    Installed new light fixture in stairwell
    Liz T.

    Mario responded to my Yelp request for a quote to install a new light fixture and repair a broken fixture. Although he wasn't available , he was kind enough to refer me to another electrician who came to my rescue and did an excellent job. Thank you Mario for finding someone competent and reasonable. I would recommend Mario's services for anyone needing an electrician.

    Microwave installation,
    Rae B.

    Thanks much for sending Fidel out for the installation of my microwave range. Many thanks for the quick turnaround. Talking with Fidel, he can from how he could help and I booked him right away. I'm adding you guys to my family of contacts. It's difficult to find folks that service the Makaha area. I'll be passing your business to my neighborhood. Thanks again.

    Ring floodlight cam
    Ronald S.

    Mario was only the honest electrician that I could find on Yelp, I posted a job to be done on yelp and I had numerous message from different companies They try to upsell and overcharge on a 15 minute job, because of my work I was unable to be home to install this for my wife, I had one company said it's gonna cost me $700 to install one Ring floodlight cam and another Company said $190 for one hour and the work it's gonna take two hours. Mario was on point and great with your personal schedule, and gave honest price this job was pretty small, he was very professional. Highly recommend him

    Instillation of Recessed Lighting and dining chandelier lighting

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    6 years ago

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    6 years ago

    Next day appointment to replace a ceiling light. Charged me exactly what was quoted. In and out in less than an hour!

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    Page 1 of 2

    Ask the Community - Precise Wiring System

    Review Highlights - Precise Wiring System

    Mario responded to my request for an estimate quickly and answered all of my questions regarding changing 7 outlets.

    Mentioned in 38 reviews

    Read more highlights

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    E I Electrical

    E I Electrical

    (426 reviews)

    Kalihi

    Excellent service. Came right away although it was not an emergency. Honored quoted service fees…read more Stayed all day to complete the job.

    We hired E I Electrical to replace a few switches in our condo because our previous electrician was…read moreacquired by this company. They were able to come and inspect the work within a short notice and provided us with an on-site estimate. Everything seemed satisfactory until I was informed that the estimate would include a yearly fee for any future work. This fee would automatically provide us with a built-in discount for subsequent services. This was the first indication that something was amiss. Why would I want to pay an annual fee for work that had already been completed? Another peculiar aspect of their pricing was the flat rate fixed price for each item. They offered a similar approach to car repairs, where a flat rate is charged for parts like a quarter panel or hood. For an outlet in a switch, they had a flat fixed rate. They assured us that this included labor and materials. However, they failed to mention that they sourced the cheapest possible materials. They also stated that I could purchase the materials myself, but I lacked the time to do so. Consequently, I ended up having cheap switches, even though the price seemed exorbitant in my opinion. Given the urgency of the project, I had no choice but to agree. However, this is when the problems began. The project was initially promised to be completed in a day and a half or two at the most. Surprisingly, it took four days to complete the work. They arrived at the site by midday every day and proceeded to shop for materials for that day. Essentially, they had four half-day workdays. The workmanship was rated a 4.5 out of 10 on a scale of 1 to 10. The finish work was quite disappointing. They made numerous holes and neglected to save the drywall pieces to fit them back in, leaving me with a mess of mismatched drywall. They claimed they didn't typically put it back, but they didn't inform me of this when I agreed to hire them. To make matters worse, when I tried to reach the office staff or another representative they initially mistook me for a salesperson or someone trying to hassle me until I proved my identity as a customer. This was quite frustrating. It seemed like they prioritized their profits over my satisfaction. The phone representative kept talking and refused to listen. I don't believe he knew how to listen effectively. Fortunately, I received a call from the owner one day. He was quite pleasant, but it was evident that he has a personnel issue. I would never hired this company again and would never recommend them to anyone. On top of the shoddy work and unethical behavior, they attempted to double-charge me for my services. I noticed a second charge for a similar amount on my credit card, and initially, they denied it. I insisted they investigate the matter, as I had sent them a screenshot of my credit card. Eventually, they admitted to the mistake reversed the charges. Neither the owner nor the project manager called to apologize. In my opinion, their work, ethics, and overall business practices are extremely sloppy, unfriendly to customers, and unprofessional.

    Precise Wiring System - electricians - Updated August 2026

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