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Power Standards Lab is the World Leader in precision electric power instruments. We're cheerful, energetic, hard-working, and polite. We're located in Alameda, California --near beautiful San Francisco, Oakland, and Berkeley. The PSL Story

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We help you solve your electric power problems. We specialize in solving power problems, power quality testing, and certification. We help customers all over the world, so we offer support in many languages. Testing & Certification