Plug Lockout Devices

A plug lockout device prevents a disconnected electrical plug or cord from being reconnected while equipment is being serviced. Once the plug is pulled, the lockout device secures it, enclosing the plug head, covering the socket, or restraining the cord. This is done so no one can restore power until the lock is removed. At E-Square, we manufacture the full range of plug lockouts, and supply them across industries in 109+ countries.

Cord Plug Lockout

Cord Plug Lockout

Molded Plug Lockout

Molded Plug Lockout

Battery Terminal Lockout

Battery Terminal Lockout

Small and Large Plug Cover Lockout

Small and Large Plug Cover Lockout

Cylinder Plug Lockout

Cylinder Plug Lockout

Computer Power Cord Lockout

Computer Power Cord Lockout

American Plug Lock / Lockout

American Plug Lock / Lockout

Appliance Plug Lock Out

Appliance Plug Lock Out

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  • Cord Plug Lockout
  • Molded Plug Lockout
  • Battery Terminal Lockout
  • Small and Large Plug Cover Lockout
  • Cylinder Plug Lockout
  • Computer Power Cord Lockout
  • American Plug Lock / Lockout
  • Appliance Plug Lock Out
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      What is a Plug Lockout Device?

      A plug lockout device is a lockout/tagout device that prevents a disconnected electrical plug from being reconnected by enclosing the plug, restraining the cord, or blocking the socket, so that power cannot be restored while equipment is being serviced. In each case it accepts a padlock so the connection cannot be remade. This makes plug lockout the simplest control for cord-and-plug connected equipment – a scenario OSHA specifically addresses, covering everything from a computer power cord to a large three-phase industrial plug. It is applied alongside a personal safety padlock and a safety lockout tag.

      E-Square: Plug Lockout Device Manufacturer & Supplier

      E-Square Alliance is India’s largest lockout tagout manufacturer, with over 1,800+ LOTO SKUs designed and produced in-house at our New Delhi facility. Our plug lockout range is one of the widest available from a single manufacturer: cord, molded-case, cylinder, plug-cover, and computer power-cord lockouts, all built on proprietary tooling backed by 72+ design patents.

      We hold One Star Export House status from DGFT and ship direct to industrial buyers, distributors and resellers across 109+ countries. As an OEM supplier to major international industrial brands, our products meet the quality and compliance bar set by global procurement teams; a standard we have maintained over two decades. Every plug lockout is engineered for real-world plant conditions that hold up shift after shift.

      Our Range of Plug Lockout Devices

      We manufacture eight plug-lockout families so you can match the device to the plug type, the equipment and the environment. Browse the subcategories below for exact sizes and model codes.

      Plug Lockout FamilyHow it secures the plugBest forKey Feature
      Cord Plug LockoutClamshell encloses the plug headStandard 110 V / 240 V plugs on cordsHolds the plug head so it can’t be reinserted; Small, Large & Premier models
      Molded Plug LockoutRugged moulded case encloses the plugIndustrial moulded plugsTough moulded body; Small, Large, Set-of-2 and clear versions
      Battery Terminal LockoutCovers the battery terminalsVehicles, forklifts, standby powerSecures the terminal connection to prevent reconnection
      Small & Large Plug Cover LockoutCinch-style cover over the plugOdd-shaped, oversized or pendant plugsFlexible cover that cinches over the plug; with-pipe options
      Cylinder Plug LockoutCylindrical enclosure encloses the plug headRound and industrial plug profilesCompact twist-on cylinder body for quick application (ES-CLO-EL)
      Computer Power Cord LockoutSecures the IEC / computer cord couplingIT, servers, lab & test equipmentSized for computer power cords so the cord cannot be reconnected (ES-CPCL)
      American Plug LockoutTwist-style enclosure for US / NEMA plugsNorth-American & similar plug standardsEncloses the plug body to block reconnection; the electrical plug lockout used across the USA and other regions (ES-EPL)
      Appliance Plug LockoutCovers appliance & multi-socket plugsKitchens, facilities, hospitality, officesSecures common appliance and multi-plug connections against reconnection – multi-plug and red UK-style versions (ES-EMPL, ES-RPL-UK)

      Standardising plug isolation across a facility?  We supply the full plug-lockout range in volume, with colour coding, engraving and fast global shipping. Customisation accepted.

      How to Choose the Right Plug Lockout Device?

      Selecting the correct plug lockout comes down to five practical questions:

      • What type of plug is it? Match the device to the plug: a cord plug lockout or cylinder lockout for standard plugs, a molded plug lockout for industrial moulded plugs, and the American or appliance variants for those specific profiles.
      • How big is the plug? Choose Small for compact plugs and Large for bigger plug bodies. The Set-of-2 molded option covers a mixed fleet in one purchase.
      • Is it a computer or IT power cord? Use the computer power cord lockout, which is sized for IEC-style cords on servers, and lab equipment.
      • Are you isolating a battery? For vehicles, forklifts and standby power, the battery terminal lockout secures the terminal connection rather than a wall plug.
      • What’s the environment? For oddly shaped, oversized or pendant plugs, the plug cover lockout cinches over the plug; and the clear molded version aids visual verification of the secured plug.

      Not sure which plug lockout fits your equipment?

      Talk to a LOTO specialist

      Benefits of E-Square Plug Lockout Devices

      Our plug lockouts make cord-and-plug isolation fast, visible and dependable:

      • Positive securing of the plug: The plug is locked so the connection cannot be remade until the padlock is removed.
      • One range for every plug: Cord, molded, cylinder, cover, battery-terminal and computer-cord options under a single catalogue.
      • Built for the plant floor: Impact-resistant bodies and secure clamping stand up to repeated use.
      • Visual verification: Clear and bright-coloured options make a locked-out plug obvious at a glance.
      • Customisation available. Colour coding, laser engraving and private labelling for branded LOTO programs, plus custom kitting.

      Compliance & Standards

      Our plug lockout devices are designed to support compliance with OSHA 29 CFR 1910.147 for the control of hazardous energy. Applied to a disconnected plug, cord or socket, they secure the energy-isolation point so it cannot be reconnected until the authorised employee removes the lock.

      For international operations, our plug lockouts also support energy-control programs aligned with:

      • AS/NZS 4024 (Australia / New Zealand)
      • EN ISO 14118: Prevention of unexpected start-up (UK / Europe)
      • CSA Z460 (Canada)

      Regulatory requirements vary by jurisdiction and industry. Always verify current requirements with your local authority or a qualified safety professional.

      Plug Lockout Devices for Every Industry

      Plug lockouts are among the most widely used LOTO devices, especially where electrical and IT equipment is serviced frequently.

      Power & Energy IT Oil & Gas Construction Food Processing Hospital Chains

      Why Choose E-Square Plug Lockout Devices?

      • Widest plug-lockout range, one manufacturer: Eight families from cord and molded to battery-terminal and computer-cord lockouts, all made in-house.
      • Direct-from-manufacturer: Factory pricing, full quality control, fast lead times, low MOQs.
      • Global supply: Exporting to 109+ countries, One Star Export House (DGFT).
      • Customisation: Colour coding, laser engraving, private labelling, custom kitting.
      • Backed by expertise: 70+ design patents, 22,000+ site visits and 24+ years of industry experience.

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      Plug Lockout Devices - Frequently Asked Questions

      A plug lockout device prevents a disconnected electrical plug from being reconnected while equipment is being serviced either by enclosing the plug, restraining the cord, or blocking the socket. It ensures that cord-and-plug connected machines, tools and appliances stay safely locked out, keeping the power connection under the exclusive control of the authorised worker until the padlock is removed.

      The worker disconnects the plug from its socket, which de-energises the equipment. The lockout device then secures the disconnected plug, cord or socket - depending on the model and accepts a safety padlock. With the padlock in place, no one can restore the connection, and the authorised worker retains exclusive control of the key until the task is complete.

      Match the device to your plug. We offer Small, Large and Premier cord plug lockouts for standard plugs, molded plug lockouts (including a Set-of-2 and a clear version) for molded industrial plugs, and a cylinder lockout for round profiles. If your plugs vary, the molded Set-of-2 covers a mixed fleet in one purchase.

      A cord plug lockout is a clamshell that closes around a standard plug head, while a molded plug lockout is a rugged moulded case that encloses larger or moulded industrial plugs. Choose the cord type for everyday 110 V/240 V plugs and the molded type where the plug is bigger or the environment is more demanding.

      Use a computer power cord lockout, which is sized for IEC-style computer and server cords. It secures the cord coupling so it cannot be reconnected, then accepts a padlock, making it the right choice for IT, server-room, laboratory and test-equipment isolation where standard plug lockouts may not fit.

      A battery terminal lockout device covers a battery's terminal connection so the equipment cannot be powered up during service. It is used on vehicles, forklifts and standby-power systems where isolation happens at the battery rather than a wall socket, keeping the connection secured under a padlock.

      A plug cover lockout is a cinch-style cover that goes over pendant plugs. We offer Small and Large versions, including red and with-pipe options, so oversized or non-standard plugs can still be fully covered and locked out of service. The with-pipe version protects unauthorised activation of the plug by providing a physical barrier to the plug protected inside.

      An American plug lockout, also sold as the electrical plug lockout device (ES-EPL), is a twist-style enclosure that closes around US/NEMA-type plugs so they cannot be reinserted into a socket. It is the plug lockout most widely used across the USA and other regions that share the same plug standard, and it accepts a padlock to keep the connection locked during service.

      An appliance plug lockout secures the plugs found on everyday appliances so they cannot be reconnected during maintenance. We cover this with the electrical multi plug lockout device (ES-EMPL) for multi-pin and multi-socket plugs, and the red plug lockout device (ES-RPL-UK) for UK-style, 13A appliance plugs: ideal for kitchens, facilities, hospitality and office environments.

      Our plug lockout devices are designed to support compliance with OSHA 29 CFR 1910.147 for the control of hazardous energy. Applied to a disconnected plug, cord or socket, they secure the energy-isolation point so it cannot be reconnected until the authorised employee removes the lock. Regulations vary by region, so always confirm requirements with your local authority.

      Yes. We offer colour coding, laser engraving and private labelling on plug lockout devices, so you can match colours to departments or shifts and add your own safety branding. Custom kitting is also available to bundle plug lockouts with padlocks and tags into a complete program.

      Yes. We supply plug lockout devices in volume with wholesale pricing, custom kitting and branding, and offer trade accounts for resellers and distributors worldwide. As a direct manufacturer exporting to 109+ countries, we support both one-off facility rollouts and ongoing distribution.

      Lead times depend on quantity, customisation and destination. As a direct manufacturer with in-house tooling, we offer fast dispatch on standard plug lockouts and can confirm an exact timeline once we know your specification. Request a quote and we will respond with availability for your order.

      Related LOTO products:

      Circuit Breaker Lockout Electrical Panel Lockout Pin & Sleeve Lockout Safety Padlocks Lockout Tags

      Whether you need a single device for one machine or are standardising plug isolation across multiple sites worldwide, we manufacture and ship the full plug lockout range to your specification.

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