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Re: DC power versus AC power
From: "Stephen Sprunk" <ssprunk () cisco com>
Date: Sun, 29 Dec 2002 21:09:06 -0600
Thus spake "Scott Granados" <scott () wworks net>
Is 48V DC at the amps present normallyin switch rooms etc enough to cause electricucian? I have seen bad things with wrenches dropped across batteries even 12 volt car batteries although in this case it was a large battery bank in a submarine but I was curious about the 48V sources in switch rooms.
2500-class devices only need 2A, but a GSR needs 60A -- and 60A DC is significantly more dangerous than 60A AC due to the duty cycle. If you _remember_ to defuse/disable the leads from the A _and_ B fuse panels to the device you're working on, you'll be okay. The real danger is when people are working on the "upstream" side of the power panel, which is often difficult/impossible to defuse and carries significantly higher amperages. S
Current thread:
- Re: DC power versus AC power, (continued)
- Re: DC power versus AC power David Lesher (Dec 29)
- Re: DC power versus AC power Scott Granados (Dec 29)
- Re: DC power versus AC power Barney Wolff (Dec 29)
- Re: DC power versus AC power David Lesher (Dec 29)
- Re: DC power versus AC power David Diaz (Dec 29)
- Re: DC power versus AC power Scott Granados (Dec 29)
- Re: DC power versus AC power Michael Painter (Dec 29)
- Re: DC power versus AC power David Lesher (Dec 29)
- Re: DC power versus AC power David Lesher (Dec 29)
- Re: DC power versus AC power Owen DeLong (Dec 29)
- Re: DC power versus AC power Stephen Sprunk (Dec 29)
- Re: DC power versus AC power joe mcguckin (Dec 29)
- Re: DC power versus AC power Stephen Sprunk (Dec 30)
- Re: DC power versus AC power David Lesher (Dec 30)
- Re: DC power versus AC power Robert E. Seastrom (Dec 30)
- Re: DC power versus AC power Stephen Sprunk (Dec 30)
- RE: DC power versus AC power blitz (Dec 29)
- Re: DC power versus AC power Barton F Bruce (Dec 30)
- Re: DC power versus AC power Robert E. Seastrom (Dec 30)