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Installing Electric Strikes: Essential Tips for Success

5/15/2025

 

Essential Tips for Successfully Installing Electric Strikes

Are you ensuring the security of your facility with the right access control measures? In modern security systems, electric strikes play a crucial role in providing enhanced security and flexibility compared to traditional lock mechanisms.

Understanding the fundamentals of electric strike installation is vital for ensuring the proper functionality and long-term reliability of your security systems. A successful installation requires attention to detail, from assessing the door to wiring considerations, all of which impact the overall security effectiveness.


Understanding Electric Strikes and Their Functionality

Understanding how electric strikes work is fundamental to leveraging their potential in various security setups. Electric strikes are integral to modern access control systems, providing a sophisticated means of controlling access.

What Are Electric Strikes and How Do They Work?

An electric strike lock is a device that replaces or works in conjunction with a traditional strike plate, allowing for electronic control of the locking mechanism. When an electric signal is applied, the strike releases, permitting the door to open. This functionality is crucial for applications where controlled access is necessary.
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The operation of an electric strike is relatively straightforward, involving a simple yet robust mechanism that can be easily integrated into existing door frames. The versatility of electric strikes makes them suitable for a wide range of applications, from commercial buildings to residential properties.

Fail-Safe vs. Fail-Secure Configurations

One of the key aspects of an electric strike lock is its ability to be configured as either fail-safe or fail-secure, depending on the specific requirements of the application. A fail-safe lock is unlocked when the power to it is cut, whereas a fail-secure lock remains locked during a power outage.

Fail-safe electric strikes are ideal for emergency egress routes, as they automatically unlock when power is interrupted, ensuring compliance with fire safety regulations. On the other hand, fail-secure configurations provide continued security during power outages, making them suitable for areas where security must be maintained even during system failures.
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The choice between fail-safe and fail-secure configurations depends on building codes, security requirements, and the specific function of the door within the facility. Many modern electric strikes can be field-configured for either mode, offering flexibility during installation.

Selecting the Right Electric Strike for Your Needs

With various electric strikes available, selecting the one that fits your needs is essential for optimal performance. The process involves understanding the different types of electric strikes, their compatibility with various door types and frames, and their voltage requirements.

Types of Electric Strikes Available

Electric strikes come in different configurations to suit various applications.

Compatibility with Door Types and Frames

It's crucial to select an electric strike that is compatible with your door and frame type. Different electric strikes are designed for different door configurations, including wood, metal, and glass doors.

Voltage Requirements and Power Options

Electric strikes typically operate on either 12V or 24V DC power, with some models offering dual voltage capability. Power consumption specifications must be considered when selecting power supplies. Key considerations include:
  • AC vs. DC power requirements vary by manufacturer and model.
  • Power supply options include dedicated strike power supplies and Power over Ethernet (PoE).
  • Understanding amperage requirements is crucial for proper power supply selection.
Ensuring the correct voltage and power supply is vital for the reliable operation of the electric strike and overall access control system.

Pre-Installation Assessment and Planning

Before diving into the installation of an electric strike, it's crucial to conduct a thorough assessment and planning phase.

Evaluating Door and Frame Condition

Assessing the condition of the door and its frame is a critical step in the pre-installation process. Check for any damage or wear that could affect the electric strike's functionality.

Measuring and Marking for Precise Installation

Start by carefully marking the positions for the electric strike and the door strike plate. Use precise measurements to avoid any discrepancies. Accurate marking ensures a smooth installation process

Essential Tools and Materials Needed

A comprehensive set of tools is required for professional electric strike installation. This includes a multimeter for electrical testing, cutting tools for the frame material, wire strippers, crimpers, and connectors for reliable electrical connections, and a quality drill with various bits.
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  • A multimeter for electrical testing and troubleshooting.
  • Cutting tools appropriate for the frame material, such as metal-cutting tools for steel frames and wood chisels and drills for wooden frames.
  • Wire strippers, crimpers, and connectors to ensure proper electrical connections.
  • A quality drill with various bits for pilot holes and mounting hardware installation.
  • Specialized installation jigs or templates provided by manufacturers for precise cutting and positioning.
  • Safety equipment, including eye protection, gloves, and dust masks, to protect the installer during cutting and drilling operations.
  • Additional materials, such as electrical tape, wire nuts, silicone sealant for exterior applications, and appropriate mounting hardware.

Installing Electric Strikes: Essential Tips for Success

A successful electric strike installation hinges on a thorough understanding of the process and meticulous preparation. This involves not only understanding the electric strike itself but also assessing the door and its frame to ensure compatibility and identify any potential issues that could complicate the installation.

Step-by-Step Installation Process

The installation of an electric strike involves several key steps. First, ensure the door and frame are properly assessed for any damage or warping that could affect the strike's operation. Next, measure and mark the door frame accurately to position the strike correctly. The actual installation involves securing the strike to the frame, connecting it to the power source, and testing it to ensure it works as expected. Throughout this process, it's crucial to follow the manufacturer's instructions and take necessary safety precautions.

Common Installation Challenges and Solutions

One of the common challenges faced during electric strike installation is dealing with warped or damaged door frames. In such cases, a cut-in strike may offer more flexibility than surface-mount options, as it allows for adjustments to be made. Understanding the type of strike that best suits the door condition is crucial. Additionally, ensuring that the strike is properly aligned with the latch is vital for the smooth operation of the door.

Safety Considerations During Installation

Safety during electric strike installation is paramount. Always disconnect power sources before starting work to prevent electrical shock. Wear appropriate personal protective equipment, such as eye protection and gloves, when cutting or drilling. Secure the work area to prevent unauthorized access, and follow proper lockout/tagout procedures when working on existing access control systems. Being aware of fire safety regulations and ensuring temporary security measures are in place during installation are also critical. Finally, test emergency egress functionality after installation to verify compliance with life safety requirements.

Wiring and Power Supply Considerations

Wiring and power supply considerations play a significant role in the successful installation of electric strikes. A well-planned wiring and power supply system ensures the reliability and efficiency of the electric strike system.

Proper Wiring Techniques for Reliability

Proper wiring techniques are essential for the reliability of electric strike installations. To achieve this, it's crucial to follow best practices such as using the correct wire gauge, minimizing voltage drop, and ensuring secure connections. Installing surge protection devices at both the power supply and the electric strike is also recommended to guard against voltage spikes.

Using in-line power controllers,  can regulate voltage and extend the life of the electric strike's solenoid by limiting current after initial activation. Additionally, implementing MOV (Metal Oxide Varistor) protection at the strike location can absorb transient voltage spikes from inductive loads or lightning.

Power Supply Options and Requirements

The choice of power supply is critical for electric strike installations. It's essential to select a power supply that matches the voltage and current requirements of the electric strike. Supervised power supplies that monitor for power failures and can report issues to the access control system are highly recommended.

Protecting Against Over-Voltage and Power Issues

Over-voltage can significantly reduce the lifespan of electric strikes, leading to premature failures. To mitigate this, using in-line power controllers and surge protection devices is vital. Properly fusing circuits to protect against overcurrent situations and considering power conditioning equipment for installations in areas with unstable power can also enhance the reliability of the system.
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Regular testing of the power supply output voltage ensures continued proper operation within the electric strike's specified range, maintaining the overall reliability of the access control system.

Testing and Troubleshooting Your Installation

Ensuring your electric strike is properly installed and functioning correctly requires rigorous testing. After completing the installation, it's crucial to verify that the electric strike operates smoothly under various conditions.

Comprehensive Testing Procedures

To ensure the electric strike functions as expected, perform several tests. Try opening the door multiple times to check for any issues with the strike and latch alignment. You might also consider testing a handful of unlocks in some "extreme" situations, like trying to open while yanking the door or trying to force it open without unlocking.

Common Issues and Their Solutions

Several common issues may arise during testing, along with their respective solutions. Misalignment between the strike and latch is a frequent problem, typically resolved by adjusting the strike position or adding shims. Intermittent operation can indicate voltage drop or wiring issues, requiring verification of wire gauge adequacy and power supply output. Other issues include buzzing or humming sounds from AC-powered strikes, binding or sticking of the keeper mechanism, preload issues, electrical noise causing false triggering, and solenoid overheating. Each of these issues has specific solutions, such as using a rectifier for buzzing sounds, lubricating the keeper mechanism, adjusting door closers for preload issues, implementing proper grounding for electrical noise, and regulating power for solenoid overheating.

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FAQ

What is the primary function of an electric strike in an access control system?
The primary function of an electric strike is to electronically control the locking mechanism of a door, allowing or denying access based on the input from an access control system.

How do I determine if an electric strike is compatible with my door and frame?
To ensure compatibility, consider the type of door, frame material, and lock type. Check the manufacturer's specifications for the electric strike to confirm it matches your door and frame requirements.

What are the differences between fail-safe and fail-secure electric strike configurations?
Fail-safe electric strikes unlock during a power outage, allowing free egress, while fail-secure strikes remain locked, requiring alternative means of exit. The choice depends on the specific security and safety needs of the area.

What voltage requirements should I consider when selecting an electric strike?
Electric strikes typically operate at 12V or 24V DC. Verify the voltage requirement of the strike and ensure the power supply matches to avoid damage or malfunction.

How do I properly wire an electric strike to an access control system?
Follow the manufacturer's wiring diagram, ensuring correct connections between the strike, access control panel, and power supply. Use suitable wire gauges and protect against over-voltage and power surges.

What are common issues encountered during electric strike installation, and how can they be resolved?
Common issues include misalignment, incorrect wiring, and insufficient power supply. Resolve these by double-checking the installation, verifying wiring connections, and ensuring the power supply meets the strike's requirements.
Can electric strikes be used on doors with fire ratings, and what considerations are necessary?
Yes, electric strikes can be used on fire-rated doors, but it's crucial to select a strike that is certified for use on fire-rated doors and follows local building codes and regulations.
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How do I test an electric strike installation to ensure it's working correctly?
Test the electric strike by verifying it locks and unlocks as expected, checking for proper alignment, and ensuring it responds correctly to the access control system.

 

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