Quickly map common electrical systems with this handy US service voltage classes cheat sheet—perfect for electricians, students, and DIYers who need clear, reliable references at a glance. From residential to industrial setups, youll learn the key voltage ranges and naming conventions in seconds.
Stop guessing and start matching: this clear guide to voltage system selection explains 120/240, 120/208 and 277/480 so you can pick the right system for your load with confidence.
Save time and avoid compliance headaches with our NEC 517 calculator, delivering instant, code-compliant essential electrical load results for hospitals and clinics. Designed for engineers and facility managers, it gives clear guidance and reliable calculations in seconds.
Need fast, code-compliant site distribution numbers? This NEC load calculator delivers quick, accurate results for mobile home park layouts so you can design with confidence and stay up to code.
Use our receptacle branch circuit sizing calculator to instantly compute load and continuous-load requirements, taking the guesswork out of electrical planning. Clear, friendly guidance helps pros and DIYers size circuits confidently.