## How to Designate Sconce Light on Plans
**Introduction:**
Sconce lights are a type of lighting fixture that is mounted on a wall or other vertical surface. They are commonly used to provide ambient or accent lighting in both residential and commercial settings. When designating sconce lights on plans, it is important to use clear and concise symbols and notation to accurately convey their intended purpose and location.
### 1. Symbol Library and Standards
* **ANSI/IES RP-20:** This standard provides a comprehensive library of lighting symbols and conventions for use in architectural drawings.
* **ASME Y14.2:** This standard defines the general principles of engineering drawing and documentation, including the use of symbols.
### 2. Designation Methods
There are two primary methods for designating sconce lights on plans:
**2.1. Symbol Representation:**
* **Single-Line Symbol:** A simple line representing the outline of the sconce light.
* **Architectural Symbol:** A more detailed representation of the sconce light, including its shape, mounting type, and any decorative elements.
**2.2. Notation:**
* **Label:** A text label indicating the type and quantity of sconce lights.
* **Specifications:** Additional notes or tables providing specific information about the sconce lights, such as wattage, color temperature, and beam spread.
### 3. Plan Designation Guidelines
**3.1. Symbol Placement:**
* Position the symbol at the center of the intended mounting location.
* If multiple sconce lights are grouped, align the symbols neatly and indicate the spacing between them.
**3.2. Notation Location:**
* Place the label or specification note close to the symbol but avoid overlapping with other elements.
* Use a consistent font and text size throughout the plan.
**3.3. Legend:**
If non-standard symbols or notations are used, include a legend on the plan to explain their meaning.
### 4. Additional Information
Besides the basic symbol and notation, additional information may be included to specify particular aspects of the sconce lights:
* **Mounting Height:** Indicate the distance from the floor or ceiling to the bottom or top of the sconce light.
* **Light Source:** Specify the type of light bulb or LED used (e.g., incandescent, fluorescent, LED).
* **Beam Angle:** Indicate the spread of the light beam in degrees (e.g., 45°, 120°).
* **Dimming Control:** Note if the sconce light is equipped with a dimmer switch.
* **Wattage:** Specify the power consumption in watts.
* **Color Temperature:** Indicate the warmth or coolness of the light using Kelvin (K) units (e.g., 2700K for warm, 5000K for cool).
### 5. Example Designation
Consider the following example of a sconce light designation on a plan:
“`
[Image of Symbol: Single-line representation of a downward-facing sconce light]
[Label: SCL-1]
[Note: 12″ above floor, LED, 3000K, 45° beam angle]
“`
### Conclusion
Accurately designating sconce lights on plans is crucial for ensuring proper lighting design and installation. By following the guidelines outlined in this article, architects and lighting designers can convey the intended location, specifications, and other relevant information in a clear and concise manner. This ensures that the desired lighting effects are achieved and that the installation meets both functional and aesthetic requirements.