Master your multimeter. This quick-reference guide helps identify common multimeter symbols and functions — perfect for students, techs, and certification prep.

Get to know the building blocks of electrical circuits. From resistors and capacitors to transformers and transistors, this chart breaks down the function of essential components used across fluid power systems.

Decode resistor values at a glance. Use this color-coded chart to quickly determine resistance, tolerance, and temperature coefficient — includes 3-, 4-, 5-, and 6-band examples.

Compare two-bolt low-pressure and ISO four-bolt flange clamps with O-ring sizes, torque values, and pressure ratings.

Side-by-side breakdown of Code 61 and Code 62 hydraulic flanges with full assembly diagrams and specs for safe, accurate installation.

Quickly compare NEMA and IP enclosure ratings to determine dust, water, and impact protection levels for electrical equipment.

Easily identify SAE and metric bolts, nuts, and screws with this fastener reference covering head markings, strength, and thread data.