BG Electrical Double Wall Light Switch, 2 Way, Raised and Slim Profile, Round Edges, Nexus Metal, Brushed Steel, 20A, 16AX, NBS42

Q: Is this a trailing edge dimmer switch please, for dimmable LEDs?

The info states: "COMPATIBLE WITH LED ...... LAMPS: Thanks to the intelligent trailing edge dimmers having a lower minimum load than leading edge dimmers." This implies to me that it is a trailing edge dimmer. However, the top left of the same page states that it is a leading edge dimmer, as does the 'specifications' pdf. This also states that the dimmer unit will emit a faint buzz. Clicking on the link to the 'user manual'' pdf takes me to Swordfish Paper Trimmers.

Q: Can you still uses this as a 1 gang 1 way switch for bedroom

I would suggest using a different switch BG NBS12 which is a 1 gang 2 way but you can use it as a 1 gang 1 way switch too.

Q: can you use these switches for 1 way as well as 2 way

I have just wired this four gang two way switch for one way operation, the wiring advice states live to common terminal and switched live to L1 terminal however this causes the lights to come on with the switches in the off position and be off in the on position. A continuity test showed that terminal L2 was acting as L! and L1 was acting as L2, so I used L2 for switched live and all is well in the kitchen! Hope this helps.

Q: What depth back box do I need for this?

It says 35mm on the technical specs.

Product ID: 49020447

Secure Transaction

Details

Operation mode
ON-OFF-ON
Current rating
20 Amps
Operating voltage
220 Volts
Contact type
Normally Open
Connector type
Screw
Brand
British

⚡20A high load capacity

🔄2-way switching flexibility

🛠️Captive backed-out screws for easy install

Frequently Bought Together

BG Electrical Double Wall Light Switch, 2 Way, Raised and Slim Profile, Round Edges, Nexus Metal, Brushed Steel, 20A, 16AX, NBS42

BG Electrical Single Switched Power Plug Wall Socket, Raised and Slim Profile, Round Edges, Nexus Metal, Brushed Steel, White Inserts, 13A, NBS21W

BG Electrical Double Switched Power Wall Plug Socket with Two USB-A Charging Ports, Nexus Metal, Brushed Steel, Grey Inserts, NBS22U3G

Description

⚡ Switch to style and control—because your space deserves the best.

2 WAY SWITCHING MASTERY - Control your lighting from two locations—perfect for stairs, hallways, or any dynamic living space.
PEACE OF MIND GUARANTEED - Backed by BG Electrical’s industry-leading 25-year warranty, ensuring durability and safety for decades.
ULTIMATE INSTALLATION EASE - Captive backed-out terminal screws and included fixings make wiring fast and hassle-free—no lost screws, no stress.
SLEEK BRUSHED STEEL ELEGANCE - Elevate your space with a slim, raised profile and softly rounded edges finished in anti-fingerprint lacquer for a pristine look.
BUILT TO LAST WITH MOISTURE PROTECTION - Integrated moisture gasket shields metal edges from tarnish, ideal for fresh plaster and humid environments.

The BG Electrical Double Wall Light Switch (NBS42) combines a sleek brushed steel finish with a slim, raised profile and rounded edges. Rated for 20A and 16AX inductive loads, it supports 2-way switching for versatile lighting control. Designed for easy installation with captive backed-out screws and moisture protection, it meets BS60669-1 safety standards and comes with a 25-year manufacturer warranty, making it a reliable and stylish choice for modern interiors.

Specifications

Manufacturer	Nexus (Jiaxing)
Part Number	NBS42-01
Product Dimensions	8.6 x 3 x 8.6 cm; 120 g
Item model number	NBS42-01
Colour	Brushed Steel
Style	Double Light Switch
Pattern	Single
Voltage	240 Volts
Wattage	4400 watts
Item Package Quantity	1
Switch Type	2-way
Usage	Indoor
Included Components	switch
Batteries included?	No
Batteries Required?	No
Item Weight	120 g

Have a Question? See What Others Asked

Is this a trailing edge dimmer switch please, for dimmable LEDs?

Can you still uses this as a 1 gang 1 way switch for bedroom

can you use these switches for 1 way as well as 2 way

What depth back box do I need for this?

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

$26.00

Duties & taxes incl.

LEBANONstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan
KOREA

Customer Services

About Us

Customer Support

Desert Online General Trading LLC

Dubai, United Arab Emirates