Best Sperry Instruments in 2026

QUICKLY AND EASILY: identifies correct circuit breaker or fuse protecting a specific electrical circuit

SAFE FOR USE NEAR: Sensitive electronic equipment and no need to interrupt power when using

INCLUDES: A plug style transmitter and an auto sensing receiver

Built-in flashlight

Non-contact sensing circuit detects 50-1000V AC

Audible and 360 visual indication

Measures AC/DC Voltage, Resistance, Frequency, Continuity, Duty Cycle, and Diode Test

Pocket-sized design for easy use, storage and transportation

Data hold feature captures the reading on the display

Thin design, Less than 1-inch thick

Features backlit display, data hold function, min./max. Function, and Auto-off function

Cat III 600V rating

DURABLE: Hi-Impact Resistant ABS housing with soft over-molded rubber grips with a compact ergonomic design (GFI6302 and VD6504)

QUICKLY READ: Bright color-coded neon lights for easy visual indication (GFI6302)

TESTING CAPABILITY: Standard 3-Wire and GFCI protected 120Volt AC Outlets. Frequency (Hertz) 60Hz (GFI6302)

INNOVATIVE: Built-in flashlight

CIRCUIT SENSING: Adjustable Non-Contact sensitivity detects 12-1000V AC and patented battery self-test feature

AUDIBLE AND VISIBLE INDICATOR: 360° visual and beeping audio Non-Contact Voltage Detection

【Power Strip with 8AC outlets & 4 USB】- power bars with surge protector with 8AC outlets & 4 USB charging ports (1 USB C Outlet), 6 Feet Heavy Duty extension cord(1625W/13A), surge protector (2700 Joules) with overload protection protects against spikes and fluctuations. Wide range voltage design, can be used on 120v to 240v circuit .

【USB- C Fast & Smart Charge】- 4 USB ports total 3.4 A, each USB A port features 2.4A Max output. USB C charging port features 3A MAX. Built- with smart technology, detecting charging devices and deliver optimal charging speed automatically, compatible with most USB devices. NOTE: The UCB-C port doesn't support any other devices which need 14~22V charging voltage

【8AC Surge Protector Outlets】- The 3 level complementary Surge Protector Circuit which composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), GDT (gas discharge tube), with minimum 2700 Joules energy absorbing capacity, could protect your devices much more quickly and reliably than other brand’s 1 level MOV Surge Protection Circuits.

【Power Strip with 12AC outlets & 4 USB】- Power strip surge protector with 12AC outlets & 4 USB charging ports (5V/3.4A, 17W), 6 Feet Heavy Duty extension cord(1875W/15A), surge protector (2700 Joules) with overload protection protects against spikes and fluctuations.

【12 AC Surge Protector Outlets】- The 3 level complementary Surge Protector Circuit which composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), GDT (gas discharge tube), with minimum 2700 Joules energy absorbing capacity, could protect your devices much more quickly and reliably than other brand’s 1 level MOV Surge Protection Circuits.

【USB Power Strip 】- 2 Special design widely spacing AC outlets (2 inches) for large adapters with 10 standard spacing outlets, 4 USB ports total 3.4 A/17W, each USB A port features 2.4A Max output. Built- with smart technology, detecting charging devices and deliver optimal charging speed automatically, compatible with Kindle and most USB devices.

Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected

Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the correct breaker has been located

Operates on 90-120V AC circuits

Double pole, 50 Amp, 240V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

50AMP

Water Proof

Splash & Dust Proof

60A

Water Proof

Splash & Dust Proof

100A Main Lugs Load Center

Surface Mount

6 Space Circuit - 12 Single Poles

UL Listed and Outdoor Rated

Elevated cover with padlock prevents unauthorized use

Receptacles protected by Siemens circuit breakers

Wall Switch and Portable Remote 2 in 1: LoraTap remote switch can mount on the magnetic plate base (fixed with magnet or double sided tape on the back) or place directly on a magnetic surface like fridge and works as a traditional switch, or be taken off and used as a portable remote, which allows you to place it anywhere easy to reach

Compact Design & Easy to Use: Mini 3 prong grounded single port power adapter with on/off button, energy saving design, blue led light indicator, plug and play, just plug in the outlet socket, you can remotely control the device from anywhere in your house

Long Range Control: 915Mhz wireless signal strong enough to go through walls and windows, the control ranges up to 100ft/30m(indoor), 656ft(outdoor) without interfering other electronics, ideal for hard-to-reach lights or appliances that do not have a switch

Plug-on design, easy to install

Switching duty rating (swd) for 20 amp one-pole breakers

Compatible with homeline load centers and csed devices

For an added layer of protection, the GFCI regularly conducts an automatic internal test to confirm that it can respond to a ground fault

Provides continuous ground fault protection detects and trips on actual ground fault even when self test is being conducted

Status indicator light shows power and protection status as well as indication of line/load reversal

Single pole, 20 Amp, 120V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

Single pole, 15 Amp, 120V type QP Circuit Breaker

10,000 AIC interrupting rating

Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature

#10-32 Studs Where Terminals can be Stacked up to 1/2"

Never Worry about Blown Fuses with Thermal Automatic Reset Feature

Flexible Red Vinyl Cover Eliminates Electrical Shorts and Prevents Corrosion

Never worry about fuse burn-out with thermal automatic reset feature, power protected when circuit is overloaded / shorting by this overcurrent circuit breaker.

#10-32 stud bolt terminals, heavy duty plastic rustproof housing, red cover avoid electrical shorts and corrosion.

Application: DC 6-48 V, multi Amps circuit breaker available, can be mounted in 4 orientation.

Compact and lightweight design,Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)

Surface Mount, protective stud insulator included

Hi-Amp 200A Circuit Protector Breakes,switch manual reset button

Hi-Amp 150A Circuit Protector Breakes, Type 3 Manual Reset - Switchable

Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)

Housing is thermalplastic UL rated 94V0,IP67 Waterproof

Hi-Amp 30A Circuit Protector Breakes

Reset Type : T3--- Manual Reset Switchable

Voltage:Up to 48vdc ; 2,500A @ 14Vdc 1,500A @ 48Vdc

Compact and lightweight design,Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)

1/4" Stainless Steel Studs, Surface Mount, protective stud insulator included

Hi-Amp 80A Circuit Protector Breakes,manual reset button

20a Manual Reset Circuit Breaker

Combines switching and circuit protection into a single device;Manual Reset (Switchable)

Voltage : up to 32Vdc, use in 12vdc,14vdc, 24vdc system

Convenient transfer switch kit, ideal for your circuitry and multi-wiring needs, is also made for reliably-fast installation in both residential and commercial applications

Designed specifically for generators up to 7,500 maximum running watts

18-inch flexible conduit whip attaches easily to the load center

Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)

Surface Mount, protective stud insulator included

Hi-Amp T3 50A Circuit Breaker 12V 24V 36V 48V

Compact and lightweight design; Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)

1/4 inch Stainless Steel Studs, Surface Mount, protective stud insulator included

Hi-Amp 40A Circuit Breaker, Red or Yellow (Random Color) manual reset button