Wire Identifiers | McMaster-Carr

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Measures

Circuit Breakers

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For Electrical Wire Gauge

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AC Voltage

0V AC to 600V AC

12V AC to 600V AC

80V AC to 300V AC

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American Wire Gauge

U.S. Standard Iron and Steel Gauge

U.S. Steel Wire Gauge

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REACH

Alert Type

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DFARS Specialty Metals

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Compliant with Exemptions

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Steel Wire Gauge

Tester Type

High-Resolution Circuit Tracer

Export Control Classification Number (ECCN)

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For Sheet Metal Gauge

Batteries Included

Pipe Material

Copper Tube Size

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13 Products

Measuring and Inspecting

Data Cable Identifiers

Data Cable Identifiers

Trace unshielded data and telephone cables to their source

Circuit Breaker Identifiers

Circuit Breaker Identifiers

Determine which circuit breaker is connected to an electrical receptacle

Current Detectors

Current Detectors

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

Circuit Tracers

Circuit Tracers

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

Metal Gauges

Press sheet metal or wire into the slots to determine their thickness or gauge size

Thread Size Identifiers

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

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