Smart wifi switch can be use or not?

Yes it can. After reviewing smart WiFi switches, I can assure you that it will fit this. Box.

Standard outlets and switches do not fit in this box, screws not lined up, what does fit?

I just did this. At first I thought the same as you because of the 4 holes on each side. If you look at a standard switch, you've got a single hole in the middle and a pair of mouse-ear-looking tabs with holes in them above that. The mouse ears are not used in this box. I figured out that if you move the switches/receptacles to the inboard screw holes the single holes top and bottom line up perfectly and you can run standard screws in like a regular interior blue box. This is one screw upper and one screw lower. Those other outboard screw holes are for holding the waterproof covers, not to hold the receptacles and switches in place.

can this box be attached on siding outside without any other protection or dors it need to be resesed in wall

attached using at least two points to outside surface

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Description

🛠️ Weatherproof your workspace with confidence — don’t get left in the dark!

BUILT TO LAST - Rugged high-impact PVC ensures weatherproof protection for your electrical setups.
ALL INCLUSIVE KIT - Comes with 6 closure plugs and 7 reducer bushings for seamless customization.
EASY INSTALLATION - Screw-in mounting hardware and clear instructions get you up and running fast.
COMPACT EFFICIENT - 2-inch depth fits snugly in tight spaces without compromising capacity.
VERSATILE CONNECTIVITY - Seven threaded outlets (1/2" or 3/4") give you flexible installation options.

The BELL PDB77550GY is a durable, weatherproof two-gang electrical box made from high-impact PVC. Featuring seven threaded outlets compatible with 1/2" or 3/4" fittings, it includes closure plugs and reducer bushings for versatile, secure installations. Its compact 2-inch depth and screw-in mounting hardware make it an efficient, easy-to-install solution for professional-grade electrical conduit housing.

Specifications

Material	Nonmetallic
Brand	BELL
Color	Gray
Style	2-Gang
Product Dimensions	2"D x 4.56"W x 5.62"H
Finish Type	Unfinished
Installation Type	Screw-In
Manufacturer	Hubbell
UPC	664080140690 726367016804 092326130325
Global Trade Identification Number	00092326130325
Part Number	PDB77550GY
Item Weight	9.9 ounces
Item model number	PDB77550GY
Is Discontinued By Manufacturer	No
Size	2 in.
Finish	Unfinished
Pattern	Outlets
Item Package Quantity	1
Number Of Pieces	1
Included Components	Includes (6) 3/4 in. closure plugs and (5) reducer bushings
Batteries Included?	No
Batteries Required?	No

Reviews

D**M

Good J-Box

Heavy-duty and reliable! This weatherproof box is solidly built and perfect for outdoor electrical projects. The multiple threaded outlet options (1/2” or 3/4”) make installation flexible, and the gray finish looks clean and professional. It’s sturdy, seals well, and holds up great in all weather conditions. Exactly what I needed for my setup—highly recommend!

30.08.2025

S**S

Great quality

Great outdoor box. Works well. Great construction.

3.10.2024

S**Y

Good

Good outside enclosure

10.09.2025

J**.

Good solid water tight box.

Good box. I used it to run power to (2) heat pump condenser units.pro-tip... make sure you have you water tight connectors installed where you want them before mounting the box...

23.09.2025

P**T

Solid design and construction

This seems well-built, with thick plastic walls. The description says it comes with 2 reducers (from 3/4" to 1/2") but it actually comes with 5. That's not enough for all 7 openings, but that might be enough for you.One thing to note: the openings are too close together for three liquid-tight connectors in a row, so I ended up needing two of these for my project.

16.08.2023

E**G

Perfecto

The BELL PDB77550GY Two-Gang Weatherproof Box installed easily, there are plenty of holes to pick from and is very functional.

14.10.2024

P**N

Weather box

Works great. Comes with extra hole covers. Hole in middle for wall wire.

7.12.2024

T**I

Quality

Great quailty

20.02.2025

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