Re: Wire prices

["Roland" <roland@xxxxxxxxxxxx>]

Grounding a plastic back box?
Let me see, how did that song go? M_I_C_K_E_Y <> M_O_U_S_E.

"Frank Olson" <Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:h15ih.509607$R63.301342@xxxxxxxxxxxx
> Don wrote:
>> "Frank Olson" <Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx> wrote in
>> message news:DoThh.502248$5R2.199894@xxxxxxxxxxxx
>>
>>>Roland Moore wrote:
>>>
>>>>18/7? I have heard of 18/6 for readers and use it often. 18/7? Are you
>>>>counting the drain?
>>>
>>>Yeah.  We have "weird wire" here.  Fire cable comes in "odd" conductors.
>>>18/3, 18,5, 18/7, etc.  That's because CAN/ULC-S524 (Installation
>>>Standard for Fire Alarm Systems) requires every device backbox be bonded
>>>to ground. Ask "FireTek".  He's the expert.
>>
>>
>> even the plastic ones? :)
>
>
> CSA plastic boxes have a ground lug.  And yes, you have to bond all back
> boxes to ground.