What Is a Lockout Kit? | Types & Uses Explained

For the full breakdown, see our best Lockout Kit guide.

Understanding what a lockout kit is matters because the term covers two entirely different toolsets: industrial lockout/tagout (LOTO) kits for machinery safety, and automotive lockout kits for gaining entry to locked vehicles. Each serves a specific purpose with its own set of tools, and choosing the wrong one means the job won’t get done. One belongs on a factory floor or maintenance shed; the other lives in a roadside assistance kit or a locksmith’s bag.

Lockout Kit Contents

Industrial LOTO kits are built around energy isolation. They typically include safety padlocks, lockout hasps, circuit breaker lockouts, valve lockouts, plug lockouts, identification tags, cable ties, and a carrying case.

Vehicle lockout kits are designed for non-invasive entry. They contain long-reach tools, air wedges or pumps, plastic wedges, protective sleeves, and a carrying case.

Lockout Kit Usage

In industrial settings, a lockout kit supports procedures that isolate energy sources before maintenance or repair work begins. The purpose is to prevent accidental energization and unexpected startup of machinery — a leading cause of workplace injuries in manufacturing and processing environments. Kits can secure electrical, mechanical, pneumatic, hydraulic, and other hazardous energy sources depending on the devices included. Each energy type requires a specific lockout device, which is why kits are often tailored to particular applications rather than being one-size-fits-all.

For vehicle lockout, the standard technique uses an air wedge to create a gap between the door and frame. A plastic wedge, lock lifter, and unlock tool then provide access to the locking mechanism. The air wedge is inflated just enough to create working room, then deflated and removed after entry is gained.

What Should You Watch for When Choosing a Lockout Kit?

Not all lockout kits are created equal. The most common mistake is buying a kit without verifying it covers the exact energy sources or devices needed for your equipment or vehicle type. Industrial LOTO kits and automotive lockout kits are fundamentally different products with different components and uses — they are not interchangeable.

For industrial use, follow these guidelines:

• Confirm the kit includes lockout hasps, padlocks, and identification tags — not just one type of device
• Match the kit to the specific energy sources you need to isolate (electrical, pneumatic, hydraulic, etc.)
• Remember that the kit supports compliance with LOTO programs and OSHA-related safety practices, but it does not replace a required written procedure or authorized-user training

FAQs

What’s the difference between an industrial lockout kit and a vehicle lockout kit?

An industrial LOTO kit contains safety padlocks, hasps, and energy-isolation devices for machinery maintenance. A vehicle lockout kit uses wedges, long-reach tools, and unlock tools for gaining entry to locked cars. They share a name but no components, and they are not interchangeable.

Does a lockout kit replace OSHA training?

No. A lockout kit is a toolset that supports a lockout/tagout program, but it does not replace the written procedures, authorized-user training, or periodic inspections that OSHA requires for workplace safety.

Can I use one lockout kit for all equipment?

Not safely. Kits vary by the energy sources and device types they cover. A kit built for electrical isolation may lack the valve lockouts or hasps needed for pneumatic or mechanical equipment. Always match the kit to your specific machines and energy sources.