AWG, ampacities, NEMA enclosures, and PCB trace width charts.
Standard continuous current carrying capacities (ampacity) for rectangular copper and aluminum busbars in electrical panels.
Guide to electrical wire types, insulation acronyms, temperature ratings, and standard application environments.
Reference chart for nominal conduit diameters and maximum allowable wire fill ratios (fill capacity) for safe electrical installations.
List of standard nominal current ratings for low-voltage miniature circuit breakers (MCB), molded case circuit breakers (MCCB), and fuses.
Printed Circuit Board (PCB) trace width tables for 1 oz and 2 oz copper weight based on standard IPC-2152 current carrying capacities.
Easy-to-read resistor color code table to determine resistance values, multipliers, and tolerances for 4-band, 5-band, and 6-band resistors.
Engineering guide to standard RF (Radio Frequency) connectors, their impedance (50/75 Ohm), and maximum operating frequency limits.
Standard color-coded pinout wiring diagrams for RJ45 connectors showing both T568A and T568B straight-through and crossover configurations.
Physical dimensions, nominal voltages, and typical milliampere-hour (mAh) capacities for standard cylindrical and coin cell batteries.
Thermocouple reference chart detailing temperature limits, alloy compositions, and standard IEC/ANSI wire color codes for industrial sensors.
Preferred nominal apparent power (kVA) and MVA ratings for single-phase and three-phase distribution and power transformers.
Comprehensive global list of standard residential and industrial mains AC voltages (110V/220V), frequencies (50Hz/60Hz), and plug types by country.