Installation Guide for The Home Depot 21045-W3NI Bathroom Light
Step-by-step installation guide for The Home Depot 21045-W3NI bathroom light fixture. Includes safety warnings, parts list, assembly steps, and wiring connection instructions.
Quick answers from the manual
Quick answer
- The 21045-W3NI is a bathroom light fixture. Installation involves mounting the bracket to the junction box, connecting the electrical wires, and attaching the canopy and glass shades. p. 2
Key actions
- Turn off electricity at the main circuit breaker before beginning installation. p. 2
First start
- Ensure power is off, mount the bracket, connect wires according to the diagram, and attach the glass shades. p. 2
Where to find it in the PDF
- Installation Instructions p. 2
Table of contents
Quick guide from the manual
This document provides assembly and installation instructions for the 21045-W3NI bathroom light fixture. Please read all instructions carefully before beginning the installation process.
Safety warnings
- Turn off electricity at the main circuit breaker before beginning installation.
- It is highly recommended to have a qualified electrician install this light.
- Follow all N.E.C. requirements.
- Handle glass components with care as they are fragile.
- California Residents Proposition 65: This product contains lead, a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. Do not place the product in your mouth and wash hands after handling.
Parts included
- Junction box
- Wire nuts
- Mounting bracket
- Studs
- Leading wires
- Wires
- Screws
- Canopy
- Color temperature switch
- Glass shades (inner and outer)
- Lamp cups
Assembly and installation
- Attach the mounting bracket (C) and studs (D) to the junction box (A).
- Connect the leading wires (E) and wires (F) using the wire nuts (B).
- Secure the canopy (J) to the mounting bracket (C) using the screws (G).
- Attach the glass shades (K, L) to the lamp cups (M).
Wiring connection
Ensure wires meet safety standards. Connect the electrical circuit according to the provided wiring diagram, ensuring the live (L) and neutral (N) wires are correctly connected.

Support
For any questions or issues, contact the support team via email at [email protected].
Manufacturer information
The Home Depot
Practical help
Common problems
Verify that the power is turned on at the main circuit breaker and check that all wire connections are secure and correct.
Handle all glass shades with extreme care during assembly and installation to prevent breakage.
Before use
- Turn off electricity at the main circuit breaker
- Verify all parts listed are present
- Ensure compliance with N.E.C. requirements
- Consult a qualified electrician if you have any questions
- Wash hands after handling the product
Images and diagrams
- The assembly diagram illustrates the sequence of attaching the mounting bracket, canopy, and glass shades to the junction box.
- The wiring connection diagram shows the proper connection of the live (L) and neutral (N) wires.
Model compatibility
- Requires installation in accordance with N.E.C. requirements.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.