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11-06-2006, 04:13 AM
| #11 |
| Moderator  Join Date: Jun 2006 Location: SW MN
Posts: 1,664
|  Gee Betty, I never thought about that.  Considering my gas furnace is only 2 years old, I'd hate to have to replace it if it blew up.  Heck, I don't even know where the pilot light is. Thanks for the warning. |
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11-06-2006, 05:49 PM
| #12 |
| Senior Member  Join Date: Mar 2005 Location: Cottageville, West Virginia
Posts: 1,065
|  The dust just gets picked up in the return air vent in the basement and some of it gets past the filter and makes it's way topside. The air in the shop never gets saturated with enough dust to create an explosion. In my case it's just more of a nusiance than a safety issue but you make a great point for those who generate a lot of airborn dust particles. It will, in fact, explode with a vengence!!!! Another reason for grounding one's dust collection system to prevent a static spark from igniting the dust within the system!!!
__________________ If it don't fit, don't force it....get a bigger hammer!! |
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11-07-2006, 04:31 PM
| #13 |
| Junior Member Join Date: Sep 2006 Location: staten island, ny
Posts: 23
| wow, good information! btw i am using the red oak with poplar so i guess it would be considered medium...thanks again joe |
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11-08-2006, 12:28 AM
| #14 |
| Gone to the Dark Side  Join Date: Mar 2006 Location: Québec, Canada
Posts: 1,127
| There are opposite point of views on the need to ground a Dust Collection system. Some say that it is a risk, others say it isn't Serious tests made have shown that the concentration of dust required for an explosion was never attained except in large industrial systems. You can make your own queries on the net: there are many, many sites available on the subject. But on the other hand a static electricity discharge is, to me anyways, always a very unpleasant experience (I hate shocks!) And a planer is sure to build a charge. So you may want to ground the system just for that reason, if no other. Me, I figure that no central vacuum systems are grounded and that dust is dust, and considering the amount some of those systems pick up, a few houses should have blown by now, and I've never heard of one. But... you make up your own mind on your own convictions. I'm not making myself responsible for your choices  Regards, Marcel
__________________ http://marleb.com DW788. -Have fun in the shop or it isn't a hobby anymore. NOTE: No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced.  |
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11-10-2006, 06:16 PM
| #15 |
| Master Scroller  Join Date: Aug 2006 Location: Eaton Rapids Michigan
Posts: 2,186
| actually, a central vac system is grounded. You hook up the hose, and it hits a metal trigger which sends a signal to the vac to turn on. That trigger is also the ground for the system. It isn't necessary to have an exposed groundwire throughout the system, just at the point of entry is good enough.
__________________ Jeff Powell |
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