Do these work well in "cmple – 3 port decora wall plate 1-gang keystone decora insert, jack single gang decora wall plate" (asin b07pxhlzd5)?

They seem to be close enough in fit and finish to fit any typical keystone jack device. I used them in a Tripp Lite 12-Port Keystone Blank Patch Panel RJ45, USB, HDMI, Cat5e / Cat6 Rackmount Unshielded 2URM TAA (N062-012-KJ) at work and they fit fine. I've used similar blanks in Decora plates similar to yours and never had a problem. I plan to use these again in an upcoming home networking project, but with a higher capacity patch panel blank.

Would these be a good option for childproofing? I cant seem to find anything else for phone/internet jacks.

No. These are made to fit empty openings in keystone wall or rack-mount jack panels. They will not fit into a wired outlet fitted with a RJ45 network jack or RJ11 or 14 telephone jack.

Do these work with Riteav wall plate?

RESPONSE FROM MANUFACTURER-CABLE MATTERS: These are compatible with Cable Matters Wall Plate like the one shown here http://www.amazon.com/dp/B073BKNB43?ref=myi_title_dp. If the dimensions of the blank ports on your Riteav Wall Plate are 16.1x14.6 mm, these should work. Please feel free to let us know if you have any further questions by contacting us through Amazon's messaging center. Open the product page, click on "Sold by Cable Matters" and then "Ask a Question”. Cable Matters Support Team

Blank Keystone Jack Inserts

Product ID: 30100882

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Details

Brand
Cable Matters
Cable Type
USB
Compatible Devices
Tablet
Connector Type
Blank Keystone
Special Feature
Tangle Free

🔌20-pack universal fit

♻️reusable & tool-free

🛡️secure snap-in design

Description

🔧 Lock it down with style — keep your network ports flawless and future-ready!

VALUE 20 PACK - Bulk pack ensures you’re always ready for upgrades or last-minute installations.
SECURE SNAP IN FIT - Sturdy design locks in place to block dust and unauthorized access effortlessly.
PROFESSIONAL FINISH - Delivers a clean, polished look that elevates any home or office cabling project.
REUSABLE TOOL FREE - Easily remove and reinstall without tools—perfect for dynamic network setups.
UNIVERSAL KEYSTONE COMPATIBILITY - Fits any standard keystone wall plate or patch panel for seamless integration.

Cable Matters 20-Pack Blank Keystone Jack Inserts provide a universal, secure, and reusable solution to close unused keystone ports. Designed for professional-grade installations, these white snap-in blanks ensure a dust-free, tamper-resistant finish across home and office network setups, all while offering excellent value in a convenient bulk pack.

Specifications

ASIN	B01AYKR63O
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#17 in DVI-HDMI Adapters #25 in Audio & Video Distribution Wall Plates
Brand	Cable Matters
Cable Type	USB
Color	White
Compatible Devices	Tablet
Compatible Phone Models	No Compatible Phone Models
Connector Gender	Male-to-Male
Connector Type	Blank Keystone Jack
Customer Package Type	standard packaging
Customer Reviews	4.7 4.7 out of 5 stars (1,367)
Date First Available	January 22, 2016
Ethernet cable category	Cat 6
Indoor/Outdoor Usage	Indoor, Outdoor
Installation Method	snap-on
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	1.44 ounces
Item model number	180066x20
Manufacturer	Cable Matters
Model Name	FBA_180066x20
Number of Items	20
Package Dimensions	6.97 x 5.43 x 0.75 inches
Part Number	FBA_180066x20
Recommended Uses For Product	Networking and cable management in home or office settings
Shape	Round
Size	Standard
Special Feature	Tangle Free
Special Features	Tangle Free
Specification Met	RoHS
UPC	682017350806
Unit Count	20.0 Count

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