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Wiring

Smart Lock Power Supply and Wiring Options

A smart lock offers keyless entry and enhanced security for your home. This guide explores the power supply and wiring options for smart locks, helping you choose the best solution for your Pittsburgh residence.

By Philips·7 min·March 1, 2025
Smart Lock Power Supply and Wiring Options

Quick Answer

7 min — here's the short version

Most smart locks will give you ample warning before the batteries die. If you do get locked out, many smart locks have a keyway for a traditional key or terminals on the bottom that allow you to temporarily power the lock with a 9V battery.

The Benefits of a Smart Lock for Your Home

A smart lock replaces your traditional deadbolt and allows you to lock and unlock your door with a smartphone, a keypad, or even your voice. This provides a new level of convenience and security for your home. You can grant temporary access to guests, receive notifications when your door is locked or unlocked, and check the status of your door from anywhere. In a busy city like Pittsburgh, a smart lock can simplify your life and provide peace of mind. No more fumbling for keys in the dark or worrying if you remembered to lock the door.

Smart Lock Power Sources: Battery vs. Hardwired

The vast majority of smart locks are battery-powered, typically using four AA batteries. This makes them easy to install, as they don't require any wiring. The batteries can last for several months to a year, depending on usage. Most smart locks will send you a notification when the batteries are running low. While battery-powered locks are convenient, some commercial-grade smart locks are hardwired. These locks are typically used in apartment buildings and businesses and require a professional installation. For most homeowners in Pittsburgh, a battery-powered smart lock is the most practical and affordable option.

Installing a Battery-Powered Smart Lock

Installing a battery-powered smart lock is a simple DIY project that can be completed in under an hour. All you need is a screwdriver. Start by removing your existing deadbolt. Then, install the new deadbolt and strike plate that came with your smart lock. Attach the exterior portion of the smart lock to the door, and then connect the interior portion. Insert the batteries and follow the manufacturer's instructions to calibrate the lock and connect it to your smartphone. Most smart locks are designed to fit standard doors, but it's always a good idea to check the measurements of your door before you buy.

Integrating Your Smart Lock with Your Smart Home

One of the biggest advantages of a smart lock is its ability to integrate with other smart home devices. For example, you can create an automation that turns on the lights when you unlock the door or locks the door when you leave the house. To do this, you'll need a smart home hub that is compatible with your smart lock. Many smart locks support popular smart home platforms like Apple HomeKit, Amazon Alexa, and Google Assistant. When choosing a smart lock, consider which smart home ecosystem you use to ensure seamless integration. A well-integrated smart lock can be a key component of a truly smart and secure Pittsburgh home.

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