Hide Extension Cord Behind Decor (Hollow Book Stash)

A hollow book can disguise small items, but it should not hide an extension cord, plug, or power strip. Keep a listed cord visible, reachable, and outside the book and any trapped space. Use it only as allowed by its label and instructions. For a lasting setup, ask a qualified electrician about adding or moving an outlet.

The neatest-looking fix is not always the safest one. A hollow book may seem like a clever place to tuck a loose cord, but enclosing electrical connections or hiding the cord from view can create problems you cannot easily spot. The safer approach is to use the book as décor, keep the cord separate and inspectable, and plan a permanent outlet if the cord needs to stay there.

I have seen this come up around mounted TVs, reading lamps, and side tables. People want a small visual change, not a construction project. The important distinction is simple: you can arrange décor around a cord, but you must not use décor to conceal or trap it.

Plan the Load and Existing Outlet

Start by checking what the cord will power, where the receptacle is, and what the cord’s own label allows. A cord’s rating is the limit to follow, not a guess based on how thick it looks. This quick survey helps you decide whether a temporary cord is appropriate or a permanent outlet is the better solution.

Before moving furniture or setting out a hollow book, check:

• The load: Read the appliance or device label for its electrical requirements. Compare them with the extension cord’s marked rating and instructions. If the information is unclear, do not assume the cord can handle the load.
• The cord: Look for its rating, any restrictions, and visible damage such as cuts, cracked insulation, loose fittings, or bent plug blades.
• The outlet: Confirm that the receptacle is easy to reach and not blocked by the proposed décor or furniture.
• The local rules: Electrical codes are adopted and amended locally. The NEC 2023 is a reference, but the edition in force where you live may differ.

A listed extension cord is intended for use as its product instructions permit; it is not a replacement for fixed building wiring. If you need power at the same spot for an ongoing setup, ask a qualified electrician about installing or relocating a receptacle.

Check Cord Routing, Access, and Clearances

Cord routing means the path the cord takes from the receptacle to the device. Keep that path visible, reachable, and away from places where it could be crushed or tripped over. Do not rely on a hollow book or other removable decoration to make an unsafe route acceptable.

Plan the path before placing the book:

• Keep the cord out of walking paths where possible.
• Do not run it through a wall, floor, ceiling, doorway, or window, or under a rug.
• Do not pinch it between furniture and a wall, beneath a heavy object, or in a book’s opening.
• Keep plugs and connections uncovered and accessible for inspection.
• Do not connect extension cords or power strips in a chain.

NEC 2023 Section 400.12 limits how flexible cords may be used. Among other restrictions, they cannot substitute for fixed wiring, pass through walls, floors, ceilings, doorways, windows, or similar openings, or be concealed by walls, floors, or ceilings. A cord routed through one of these places does not become acceptable because a book, plant, or other removable item covers the route.

There is no universal safe cord length, décor clearance, or airflow gap for every setup. Follow the cord’s markings and instructions, and do not place it where heat can build up or where it may be damaged.

Set Décor Without Concealing the Cord

A hollow book can serve as décor or hold non-electrical items, but keep the cord, plug, and any power strip outside it. Arrange the book so it does not cover the receptacle, press on the cord, or hide a connection you may need to inspect.

A practical arrangement is to place the book beside the cord path rather than on top of it. Keep enough access to see the cord and reach its plug. The cord should not pass through a hole in the book, sit inside its compartment, or be trapped between the book and furniture.

Setup	Appropriate use	What to avoid
Hollow book beside a visible cord	Décor or storage for non-electrical items	Putting the cord, plug, or power strip inside
Book near a wall outlet	Décor that leaves the receptacle and plug accessible	Blocking the outlet or covering the connection
Cord along an open, accessible route	Temporary use when the product instructions allow it	Routing through a wall, doorway, or under a rug
Power needed at the same location long term	Ask an electrician about a permanent receptacle	Treating an extension cord as fixed wiring

The cord must remain inspectable even when the room is in its finished arrangement. If you cannot see, reach, or unplug the connection without moving a heavy item or dismantling the décor, change the layout.

Verify Ratings, Condition, and Ongoing Access

Verification is a final check that the cord is suitable, undamaged, and still accessible after the room is arranged. Listed products must be used according to their listing and labels. Check the actual markings and instructions rather than relying on a general rule about cord length or space around it.

NEC 2023 Section 110.3(B) requires listed or labeled equipment to be installed and used according to the instructions included in its listing or labeling. UL 817 covers cord sets, while UL 1363 covers relocatable power taps. These standards identify product categories; they do not replace the instructions and ratings marked on the specific product.

Use this check before turning the device on:

• Confirm the cord rating matches the intended load and the cord is used as its instructions allow.
• Check that the cord and plug are undamaged and not trapped, covered, or strained.
• Make sure the receptacle and all connections remain easy to reach.
• After normal operation begins, check for signs of a problem, such as unusual heat, a burning smell, discoloration, or damage.
• Stop using the cord if it is damaged or overheating. Do not hide it again until the cause is addressed.

Do not treat slight warmth as a universal pass-or-fail test; product type and use vary. If the cord or connection seems unusually hot, or you notice a smell or visible damage, unplug it if safe to do so and follow the manufacturer’s guidance. If you are unsure, have a qualified electrician assess the setup.

Common Room Scenarios: Safer Choices

These examples show how the same principle applies in different rooms: décor can sit near a cord, but it should not conceal or trap electrical parts. They are practical scenarios, not reports of specific installations. In each case, choose a visible temporary route or have permanent wiring installed.

TV beside a wall-mounted screen: If a cord hangs from the TV to a lower outlet, do not route it through the wall or cover the route with a hollow book. Keep it accessible and use it only as its instructions permit. For a clean, lasting result, ask an electrician about a properly installed receptacle near the TV.

Lamp beside a side table: A hollow book may sit on the table as decoration, but do not place the lamp’s plug or a power strip inside it. Keep the cord visible and clear of table legs and drawers that could pinch it. If the outlet becomes blocked, rearrange the table or décor.

Device across a doorway: Do not tuck a cord beneath a rug or run it through the doorway, even if a decorative object hides the crossing. Move the device nearer an outlet or ask an electrician about a permanent solution. A book placed over the route does not change the issue.

When a Hollow Book Is Useful—and When It Is Not

A hollow book can hide small, non-electrical items while keeping a room visually tidy. It is not an electrical enclosure, cord cover, or substitute for a receptacle. Keeping those uses separate lets the book remain décor without making the cord harder to inspect or disconnect.

It may work well for items such as a remote control or other small objects, provided they fit without damaging the book. It should not hold an extension cord, plug, power strip, or electrical connection. Do not cut or modify a product to create a cord route unless its manufacturer specifically allows that use.

If the goal is to hide every visible power line, a hollow-book stash cannot safely achieve that goal. The suitable long-term route is permanent wiring installed under applicable code, with the work handled by a qualified electrician. Until then, keep any permitted temporary cord visible and accessible.

FAQ

Can I put an extension cord inside a hollow book?
No. Keep the cord, plug, and power strip outside the book. Use the book only for décor or non-electrical storage.

Can the book cover the cord where it runs along the wall?
Do not use it to conceal or trap the cord. Arrange it beside the route while keeping the cord visible and reachable.

Can I run the cord through the hollow book’s opening?
No. The book is not a cord pass-through or electrical enclosure. Keep the cord separate from it.

Can I hide the plug inside the book?
No. Keep plugs and connections uncovered and accessible, and follow the product instructions.

Can décor cover a cord running through a wall or doorway?
No. Covering the route with removable décor does not make it acceptable. Do not route a flexible cord through a wall or doorway.

Can I run the cord under a rug?
No. Do not run it under rugs, where it may be hidden or damaged.

Is there a safe cord length for this setup?
There is no universal safe length for every product and load. Follow the cord’s marked rating and instructions.

Can I connect one extension cord to another?
Do not daisy-chain extension cords or power strips. Use a suitable outlet or seek a permanent electrical solution.

What should I do if the cord is damaged or unusually hot?
Stop using it. Unplug it if safe, and follow the manufacturer’s guidance or ask a qualified electrician to assess the issue.

What is the best permanent fix for a cord that must stay there?
Ask a qualified electrician about adding or relocating a receptacle. Permanent wiring must follow the electrical code adopted in your area.

(This article was written by one of our staff writers, Michael Holloway. Visit our Meet the Team page.)