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Author Topic: Placement of breaker box in relation to rectifier Tony Ratcliff Expert Film Handler Posts: 216 From: Madison, IN, USA Registered: Mar 2002 posted 05-03-2013 02:59 PM                     I need to rearrange the wiring in my booth to make room for digital. I am keeping the 35mm operational, but I need to move the 3-phase breaker box feeding the rectifier. Is it OK to put the breaker box right next to the rectifier, or does it need to be a specified distance away for code/safety reasons. Right now the box is on the other side of the booth, right where I need to set up digital equipment.  |  IP: Logged Scott Norwood Film God Posts: 8146 From: Boston, MA. USA (1774.21 miles northeast of Dallas) Registered: Jun 99 posted 05-03-2013 03:37 PM                        Check with your local electrical codes, but here there is a 3' minimum clearance around the electrical panel. You can't put it behind the rectifier or above it because the rectifier would be in the way. This is a standard electrical-code issue, not a cinema-specific one. Massachusetts has lots of projection-booth-specific code issues, although I don't remember the panel location being one of them. We do have a requirement for 42" of clear space on either side and behind each projector (although that can overlap, such that only 42" are needed between two projectors). Indiana may have something similar. edit: corrected distance [ 05-03-2013, 09:41 PM: Message edited by: Scott Norwood ]  |  IP: Logged Randy Stankey Film God Posts: 6539 From: Erie, Pennsylvania Registered: Jun 99 posted 05-03-2013 03:53 PM                     In e booth where we recently installed a digital projector, there had to be a minimum of 36" of clearance around all sides of the projector but that space can be shared by two objects. e.g. The projector needs 36" and the breaker panel needs 36" but the two things can be placed 36" apart instead of 72".  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 05-03-2013 08:44 PM                     The International Building Code (IBC 409.2) on projectors is 30" on 3-sides unobstructed.  |  IP: Logged Tony Ratcliff Expert Film Handler Posts: 216 From: Madison, IN, USA Registered: Mar 2002 posted 05-04-2013 03:31 PM                     Thanks guys. I was figuring that there was a minimum space requirement, but I wanted more specific info.  |  IP: Logged

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