404.9(B) Exception #1

jxofaltrds

Senior Member
Location
Mike P. Columbus Ohio
Occupation
ESI
If I read this correctly I can no longer replace a switch on an old two wire system (w/o egc) if the switch is within 5' of a dryer, washer, range, frig and the like.

As I read this it would also include metal faucets, assuming a metal piping sytem, correct?
 

jumper

Senior Member
I think is says you need a non metallic plate and screws or strap, or GFCI protection if not.



....................A snap switch wired under the provisions of this exception
and located within 2.5 m (8 ft) vertically, or 1.5 m
(5 ft) horizontally, of ground or exposed grounded metal
objects shall be provided with a faceplate of nonconducting
noncombustible material with nonmetallic attachment
screws, unless the switch mounting strap or yoke is nonmetallic
or the circuit is protected by a ground-fault circuit
interrupter.
 

texie

Senior Member
Location
Fort Collins, Colorado
Occupation
Electrician, Contractor, Inspector
If I read this correctly I can no longer replace a switch on an old two wire system (w/o egc) if the switch is within 5' of a dryer, washer, range, frig and the like.

As I read this it would also include metal faucets, assuming a metal piping sytem, correct?
Just use nonconducting faceplate and nonmetallic screws, or find a completely nonmettalic switch. See 404.9 Exception #1.
 

guschash

Senior Member
Location
Ohio
I would say you are correct in your thinking. I read it the same way you do. Use nonconducting material or use a GFCI, as stated above.

Gus
 

Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Electrical Contractor
For years they made us use nylon screws with plastic plates when we used nonmetallic boxes. Back in the old days we were not required to ground the switch even when the egc was present.
 
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