Electrical Inspectors | McMaster-Carr

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625 Products

Measuring and Inspecting

Multimeters

Take current, voltage, resistance, and other electrical measurements

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

Voltage Detectors

Voltage Detectors

Check for voltage in receptacles, cables, and other electrical components

Current Detectors

Current Detectors

Check for AC current and voltage without making direct contact with wire

Motor Phase Sequence Testers

Motor Phase Sequence Testers

Analyze a motor's rotation and electrical system to confirm proper wiring

Current Meters

Measure current without interrupting the circuit

Power Consumption Meters

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

Oscilloscopes

Analyze problems with electrical equipment by graphing voltage and other electrical waveforms

Insulation Testers

Insulation Testers

Measure insulation quality in motors, generators, and other electrical equipment

Signal Output Testers

Signal Output Testers

Check if the signal output of a DC switch is NPN or PNP to know how to wire components

Electrical Monitor Calibrators

Electrical Monitor Calibrators

Check the accuracy of electrical sensors and measuring instruments

Data Cable Testing Adapters

Data Cable Testing Adapters

Isolate the signals of a data line by connecting your testing device to an Ethernet wall outlet

Data Cable Testers

Data Cable Testers

Identify open, short, and incorrectly wired circuits in coaxial and data cable

Electrical Panel Meters

Electrical Panel Meters

See the amount of electricity used to run motors, generators, and other equipment

Data Cable Identifiers

Data Cable Identifiers

Trace unshielded data and telephone cables to their source

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking material and surfaces for static discharge

Line Tester Adapters

Line Tester Adapters

Connect a testing device to a telephone line

Line Testers

Diagnose issues in telephone lines or Ethernet cables

Line Testing Amplifiers

Line Testing Amplifiers

Pair with line testers to identify cables without touching them

Circuit Breaker Identifiers

Circuit Breaker Identifiers

Determine which circuit breaker is connected to an electrical receptacle

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

Electrical Outlet Testers

Electrical Outlet Testers

Confirm proper wiring by checking for open circuits

Circuit Tracers

Circuit Tracers

Locate cables behind walls, check for continuity, and identify circuit breakers

Battery Testers

Battery Testers

Measure the health of rechargeable batteries, or check if it's time to replace disposable batteries

Voltage Meters

Measure voltage in electrical components

Oscilloscope/Multimeters

Oscilloscope/Multimeters

Perform electrical tests, record data, and view a graph of electrical waveforms

Power Consumption Data Loggers

Power Consumption Data Loggers

Record data to monitor energy usage and fix intermittent problems, such as voltage spikes

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

Shunts

Measure the current flowing through a circuit when the current is too high to only use a meter

Line Break Detectors

Line Break Detectors

Check for continuity in circuits

BNC Adapters

Convert a BNC cord to a double banana connector so it can be used with electrical testers

Spring Test Probe Sockets

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

Current Indicating Rings

Current Indicating Rings

Run wire through rings to monitor AC current flow

Probe Styli

Attach to Renishaw probes to inspect workpieces during machining

Probe Stylus Accessories

Probe Stylus Accessories

Add components that extend length, adapt threads, or hold multiple styli at once

Probe Break Stems

Probe Break Stems

Snap in two during an impact to protect probe styli from damage

Electrical

Wire Stripper Crimpers

Wire Stripper Crimpers

Strip wire and crimp connectors with one tool

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Binding Posts

Test circuits before making permanent connections

Fastening and Joining

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Containers, Storage, and Furniture

Multimeter Cases

Multimeter Cases

Store and carry multimeters

Test Lead Holders

Test Lead Holders

Keep test leads organized and within reach

Fabricating and Machining

Pliers

Grip, bend, and twist wire and other small workpieces

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)