does it check house current?

This is for DC current tests only which uses batteries such as boats , riding mowers and automobiles. It will do both 12 and 24 volt systems. Does not work with AC voltage or current in homes

Can you check for voltage by just holding the probe against a wire or do you have to pierce the insulation on the wire?

You have to pierce the wire. I suggest if you do, dab a bit of silicone sealant to the hole to keep out moisture and avoid corrosion. I would also suggest getting the back probe set to avoid piercing wires if that is a concern.

Does the colour of the tool refer to any differences?

The picture is the real color, and the product is taken in kind

Does this come with extension cable?

If you are working on trailers or the like you will need to purchase the extension. However the cord it comes with should be long (20FT) enough to work on any part of a car or light truck that you need to access.

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TopDiag P200 Power Circuit Probe Kit - Circuit Breaker Finder, Automotive Circuit Tester, 9~30V Voltage Range, Multimeter, Relay Test, Fuel Injector Tester, Activating Component, Oscilloscope Mode

Product ID: 317279071

Details

Brand
TopDiag
Color
Multicolored
Item Weight
1200 g
Power Source
Ac dc
Style
P200

⚡9~30V voltage range

📊Multimeter + Oscilloscope combo

🔌20ft cable for extended reach

263123CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Diagnose, Activate, Dominate: The Ultimate Circuit Probe for Millennial Mechanics

TRAIL READY RELAY TESTER - Fix burnt-out relays instantly and never miss a beat on your road trip or project.
ACTIVATE TEST ON THE FLY - Power up components directly from the probe—lights, motors, solenoids—no extra tools needed.
FUEL INJECTOR PULSE CLEANING - Four pulse modes to supercharge injector cleaning and keep your engine running flawless.
ALL IN ONE DIAGNOSTIC POWERHOUSE - 20+ automotive tests in one sleek kit—be the go-to pro for any electrical challenge.
PRECISION MULTIMETER OSCILLOSCOPE - Instant auto-ranging with waveform analysis to decode complex circuit issues like a boss.

The TopDiag P200 Power Circuit Probe Kit is a versatile automotive diagnostic tool combining a multimeter, oscilloscope, relay tester, and fuel injector cleaner in one. Supporting 9-30V systems with a 20ft cable and auto-ranging display, it empowers professionals and DIYers to quickly identify and fix electrical issues, activate components, and perform advanced waveform analysis. With 18 languages, firmware upgrades, and a 1-year warranty, it’s engineered for precision, convenience, and reliability.

Specifications

ASIN	B0912YBNQP
Best Sellers Rank	#17,134 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Circuit Testers
Brand Name	TopDiag
Color	Multicolored
Compatible Devices	Vehicles, Vehicle Electrical Systems
Customer Reviews	4.5 4.5 out of 5 stars (552)
Included Components	1* Circuit Tester 1* Carry Case 1* Power probe 2* Probe cable
Item Dimensions	15.16 x 11.5 x 4.21 inches
Item Weight	1200 g
Manufacturer	TopDiag
Maximum Operating Voltage	30 volts
Measurement Type	Multimeter
Minimum Operating Voltage	9 volts
Model	P200
Number of Items	1
Part Number	P200
Power Source	Ac,dc
Style Name	P200
UPC	791734860403
Upper Temperature Rating	60 °C

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