Electrical Panel Clearance Requirements

 Electrical Panel Clearance Requirements (NEC) 

For low voltage electrical panel installation or streamlining, it's important to make sure that there's sufficient space or clearance of room around the electrical panel for the electrician to safely work. This is why NEC 110.26 has put a demand that all indoor electrical panels have a minimum clearance of room from the front of the panel to the nearest place (this could be a wall, a machine, or any other fixed object). In addition, they bear that there's at least a 0.9-meter height from the panel to the electrical room ceiling.

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These conditions are in place for several reasons. First, anyone who needs to work in or around the panel needs enough room to maneuver around without accidentally touching cables, combers, or other objects in the panel. In addition, having at least three bases in the room will ensure that nothing is going to get stuck in the area while trying to work. In the event that someone is electrocuted or else injured, the three bases of concurrence will allow croakers or other exigency askers to get in and help the existent.

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There are also some simple practical reasons why having three bases of concurrence as a minimum is a good idea. This important room will allow electricians to bring in the tools that they need to work in the area safely. NES wants to make sure that anyone working in the area around an electrical panel is suitable to do so with as little threat as possible. These regulations are also generally going to apply to industrial or commercial electrical panels.

Clearance around an Indoor electrical panel (National Electric Code110.26):

Clearance around an Indoor electrical panel (NEC 110.26):
Description of Clearance	Distance (min)
Left to Right the minimum clearance	0.9 Meter (3 Ft)
Distance between Panel and wall	1.0 Meter
Distance between Panel and Ceiling	0.9 Meter
Clear Height in front of Panel>480V	2.0 Meter
Clear Height in front of Panel <480V	0.9 Meter (3 Ft)
Clearance When Facing Other Electrical Panels < 480V	0.9 Meter (3 Ft)
The width of the working space in front of the Panel	The width of the Panel or 0.762 Meters which is Greater.
Headroom of working spaces for panel boards (Up to 200Amp)	Up to 2 Meter
Headroom of working spaces for panel boards (More than 200Amp &Panel height is maxing 2 Meters)	Up to 2 Meters ( If Panel height is maxed 2 Meters)
Headroom of working spaces for panel boards (More than 200Amp &Panel height is more than 2 Meters)	If the Panel height is more than 2 Meters then clearance should not less than the panel Height
Entrance For Panel (More than 1200 Amp and over 1.8 m Wide)	One entrance is required for working space (Not less than 610 mm wide and 2.0 m high )
Personal Door For Panel (More than 1200 Amp)	Personnel door(s) intended for entrance to and egress from the working space less than 7.6 m from the nearest edge of the working space
Dedicated Electrical Space.	Required Space is the width and depth of the Panel and extending from the floor to a height of 1.8 m (6 ft) above the equipment or to the structural ceiling, whichever is lower
The door(s) shall open in the direction of egress and be equipped with panic bars, pressure plates, or other devices that are normally latched but open under simple pressure
the workspace shall permit at least a 90-degree opening of equipment doors or hinged panels

(Extracted from NEC 110.26)