Am having to install covers to several different types of electrical connections boxes in my house. Some are round, blue ones and some are a grayish tan with corners rounded. None of them have cover screws in them, so I am having to go buy screws to attach the covers. What type and size of screws are need for each type of connection box?
Electrical – Screw Sizes for Electrical Connection box lids
electricalscrews
Related Solutions
Halex 3/8 in. 2-Piece Clamp Connectors
Product Description: Use the Halex 3/8 in. 2-Piece Clamp Connectors (5-Pack) to connect #14 - #10 non-metallic sheathed cable to steel
outlet boxes or other metal enclosures. They are compatible with standard 1/2 in. knockouts.
- Secure #14 - #10 non-metallic sheathed cable to steel outlet boxes or other metal enclosures
- Zinc-plated steel resists corrosion
- Fits standard 1/2 in. knockouts
- For indoor use only
- Designed for easy installation
- MFG Brand Name : Halex
- MFG Model # : 26510
- MFG Part # : 26510
Or as @Aaron suggested
Halex 3/8 in. Twin Screw Non-Metallic Cable Clamp Connectors
Product Description:
Twin Screw Non-Metallic Cable Clamp Connectors to join non-metallic sheathed cable and flexible cord to steel outlet boxes or other metal enclosures. A reversible locknut cuts through protective coatings on boxes and enclosures to preserve grounding.
- Connect non-metallic sheathed cable and flexible cord to steel outlet boxes or other metal enclosures
- Body and locknut are die-cast of high-strength zinc alloy
- Zinc-plated steel clamp and screws
- Reversible locknut cuts through protective coatings on boxes and enclosures to assure ground continuity
- Fits 1/2" knockout
- For indoor use only
- Screws compatible with Phillips, slotted and square screwdrivers
- Resists corrosion
- UL and CSA safety listings
- MFG Brand Name : Halex
- MFG Model # : 20511
- MFG Part # : 20511
I'd use a 4x4 box with a raised cover. You can get the cover in a dual GFI configuration. You say a "GFI slave", I assume you just mean another receptacle on the load side. If so then you can get a cover with one GFI opening and one duplex opening:
Just so you know, there is a near zero chance that that old AC cable can safely be used as a grounding conductor. Older AC cable does not have the required bonding strip. See here: How should I connect a grounding wire from a device to this box?
Box:
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Best Answer
Most hardware stores I have been to had a specific electrical screw section in their fastener area. They should basically be labelled as electrical box cover screws, and you can find them in all kinds of versions: long/short, metal/plastic, and different finish colors.