I bought the 115 for home use but I can attest that it's perfect for troubleshooting any situation. I'm an electrician and have worked on diesel-electric locomotives, which have a staggering AC/DC combination, and hydroelectric locomotives, which run primarily on AC. I have used several different flukes in my career and in my humble opinion I could have used this 115 in any situation I found myself in. It is durable yet small and portable. I used this particular Fluke to troubleshoot my house's electrical problems, install fans and outlets, and upgrade the electrical box at my mate's house. Like all Flukes, it is compatible with all upgrades on the market.
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