Quickly determine feeder voltage regulation from load current and R/X with our no-fuss calculator, delivering an accurate % regulation in seconds. Ideal for engineers and technicians who need fast, reliable results on the fly.
Pinpoint how different fuse classes affect fault currents with our fuse let-through calculator, giving instant, easy-to-understand let-through values for safer, faster protection decisions.
Quickly determine the right transformer secondary conductor size with our instant screening calculator—just enter full-load current and get reliable results in seconds. Perfect for electricians and engineers who need fast, code-minded checks on the job.
Quickly switch between kilowatts and horsepower with our instant kW to horsepower converter — an accurate mechanical equivalent with a handy reverse calculator so you can convert both ways with confidence.
Quickly determine electrical cooking appliance demand for ranges, ovens, and cooktops with the NEC 22055 calculator—fast, accurate results that simplify code-compliant circuit sizing.