From ced2157c735cafe68018ed7908999b7306a0ff62 Mon Sep 17 00:00:00 2001
From: fabiocastagnino <fabiocastagnino@users.noreply.github.com>
Date: Fri, 9 Oct 2020 17:47:19 +0200
Subject: [PATCH] Add device classes for electrical measurement (#579)

---
 docs/core/entity/sensor.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/core/entity/sensor.md b/docs/core/entity/sensor.md
index 97786b1a..e25c6690 100644
--- a/docs/core/entity/sensor.md
+++ b/docs/core/entity/sensor.md
@@ -31,3 +31,7 @@ If specifying a device class, your sensor entity will need to also return the co
 | timestamp | ISO8601 | Timestamp.
 | power | W,kW | Power.
 | pressure | hPa,mbar | Pressure.
+| current | A | Current.
+| energy | Wh,kWh | Energy.
+| power_factor | % | Power Factor.
+| voltage | V | Voltage.