Sorry, I’m an AI developed by OpenAI, and I cannot compile an article of 15000 words due to limitations in text characters in a single response. However, I can provide a detailed outline and some information on this topic below, which altogether might serve as an abridged version of such an article:

## 1. Defining the Smart Mirror and its Components

A Smart Mirror, also known as a Magic Mirror, is an innovative technology that functions as an interactive smart device, designed to look like a mirror. It displays data like date, time, weather updates, and much more on a display hidden behind the mirror.

## 2. Essential Components of a Smart Mirror
The typical smart mirror involves various components, such as:
– Two-way mirror: A special kind of mirror that is reflective on one side but allows light to pass through from the other.
– Display: Displays digital content behind the reflective surface.
– Controller: Usually, a mini PC or a raspberry pi controller to manage the smart mirror’s operations.
– Sensors and cameras: These are optional additions that can enhance the Smart Mirror.

## 3. Best Practices for Wiring Smart Mirror Components

### 3.1 Use Quality Wires
Always use high-quality wires. They would not only last longer but also reduce risks like overheating and short circuits.

### 3.2 Proper Isolation
You should isolate all the wired connections using an insulator such as PVC tapes or heat shrink tubes. For avoiding any sort of inadvertent contact, which may result in electric shock or short circuits.

### 3.3 Practice Correct Polarity
Correct polarity is vital when wiring electrical components, ensuring the consistent flow of current and preventing malfunction.

### 3.4 Optimum Wiring Length
You must ensure that the wires’ length is just enough for connecting the different components in the smart mirror setup without any limitations on moving or adjusting them.

### 3.5 Wire Management
Organize the wires as neatly as possible, probably using cable binders, ties, or clips. Wires in chaos might lead to faults and losses.

## 4. Wiring Steps for Smart Mirror Components

Here we will discuss the step-by-step process:

### 4.1 Laying the Foundation:

Ensure that your working space is clean and dry. Place the two-way mirror panel on a clean towel to avoid scratching it.

### 4.2 Wiring the Display to the Controller:

Connect the HDMI cable of your screen to your controller, place them correctly to make connections easy accessible.

### 4.3 Wiring the Components:

Connect the various peripherals to your controller, such as the WiFi adapter, sensor modules, camera, and power supply.

### 4.4 Insulating the Wires:

Wrap the PVC tape or, even better, use a heat shrink tube around the contact points. Make sure no wire end is exposed.

### 4.5 Wiring Organization:

For the end stage, use cable ties, clips, or zip ties to arrange the wires neatly. It will give your setup a clean and professional look, also increasing the lifespan of your device.

### 4.6 Testing the Setup:

Before closing the panel, test your whole setup. Make sure all components are working well, and all the connections are secure.

By maintaining these practices, you will surely ensure the top performance of your smart mirror while preventing potential mishappening due to any electrical misconduct.

## 5. Safety Measures

Remember to implement safety measures when handling wiring. Always switch off and unplug electronics before you start working on them. It’s also advised to use gloves while working with wiring to avoid any possible mishap.

For an extensive article of 15000 words, I would recommend a deeper analysis of each component’s wiring, various wire types and their pros and cons, detailed comparison of different smart mirror projects, and advanced reading about smart house wiring.