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Nest thermostats are designed to work without a C wire in most homes. But some systems may require a C wire for consistent power. The Nest Power Connector is a simple and affordable alternative to a C wire, and costs much less than hiring an electrician to install a new C wire through your walls.

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The Details

Product Specifications


Height: 2.89 in (73.44 mm)

Width: 2.1 in (53.70 mm)

Depth: 0.57 in (14.50 mm)

Wiring Length

7.48 in (190 mm)


2.17 oz (61.5 g)

Operating Temperature

–22° to 140℉ (–30° to 60℃)


IP51 – Resistant to dust and water


Made with 46% post-consumer recycled materials (by weight).

What’s in the Box

Nest Power Connector

Wire connectors

Wire labels

Sticky pad

Installation guide

Safety, warranty, and regulatory guide