Electrical

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This page is very out of date. The General Operations Team is in the process of documenting changes as we find them.

In 2020 we updated locations of switches for lighting. 

In june 2021 we are documenting power panels and breakers as best we know. More to come

Power Panels

Outlets generally have the power panel number and the circuit labeled on them, some newer outlets do not.

First Floor

PP1-1

Back of the shop by the loading dock. Can't miss it. Served from main switch by back door (probably from the upper disconnect, but haven't verified).

Single phase and 2 pole circuits wired to 3 phase breakers.

Several high amp 3 phase breakers that are unmapped.


PP1-1 east wall cold small as of june 2022
breaker amps controls breaker amps controls
1 "two color press" 2
3 "two color press" 4
5 "two color press" 6 soft met outlets
7 30 AC 8
9 30 AC 10 clock
11 30 AC 12
13 40 14 20
15 40 16 20
17 20 18 20
19 20 boiler & pumps 20 30 air compressor
21 20 boiler & pumps 22 30 air compressor
23 20 boiler & pumps 24 30 air compressor
25 30 dock leveler 26 60 laser
27 30 dock leveler 28 60 laser
29 30 dock leveler 30 60 laser



The following is the result of wire tracing done 04/25/2017. Tucker
Conduits from this panel were sharpie labeled with letters for this mapping.

Conduit Label feed path What It Feeds
A direct run across ceiling to junction in catwalk, from junction along catwalk and down to PP1-5 PP1-5
B Via PB1-2 to roof AC
C To junction above SE corner of boiler room, then to socket on boiler room wall Socket PP1-1:10 on small metals wall near S end of wall
D direct run to boiler room main boiler room feed
E across shop celing to catwalk Feeds through wall to upstairs rooms
F across shop roof to junction ~7ft from old laser exhaust, leg towards east wall dead ends, leg S drops to kitchen wall, runs into new lounge, takes 90deg through lounge wall and into safe PP6
G Direct to boiler room compressor

PP1-2

Back of the shop by the loading dock. Can't miss it. Fed from big breaker at the top of PP1-1.

PP1-2 east wall btwn CM & SM as of 6/5/2021
breaker amps controls breaker amps controls
1 20 round lights 2 20 fan 17 - 19
3 20 south lights 4 20
5 20 south lights 2 6 20 alarm
7 20 north lights 2 8 20 recept north wall by boilers
9 20 north lights 10 20 hvac exhaust fans
11 30 north lights 12 dock
13 40 14 20 south wall recepticals
15 40 16 20 soft metal
17 20 18 20 soft metal
19 20 20 20 soft metal
21 20 22 soft metal
23 20 24 20 "oxy dry heater"
25 30 catwalk lights 26 20 stopsaw
27 30 soft metal 28 20
29 30 soft metal 30 20 power drop
31 32 20 power drop
33 34 power drop
35 36 20 power drop
37 powder coat oven 38 20 power drop
39 powder coat oven 40 20 power drop
41 42 20 soft metal GFS outlet


Breaker # Used What Is It or was a few years ago
1 Yes, works Round lights and ceiling lampholders in Cold Metals
3 Yes, works "South" lights (Cold Metals east wall), emergency lights EL-6, EL-7
6 Yes, works 20amp, 2 outlets hot metal side of furnace room, short drop near center of shop. Light in the boiler room.
8 Yes, works 20 amp, outlet at hot metal side of furnace room, possibly second outlet behind lockers.
7,9,11 yes. works. Power to chiller/heat pump on the roof for AC... and also the air handler under it inside. The
10 yes , works Exhaust fan, Doorbell, Back Door Beaglebone
25 yes , works Lights at kitchen, outlet at kitchen fridge. Catwalk light controls, but not the lights themselves. Emergency light EL-8.
26 yes, works Currently connected to the entire east wall. This includes dust collector and Clausing electronics. Please do not connect chop saw table to east wall while others are working.
35&37 used Compressor 40 amp 1 phase 240v thru a 35 amp disconnect in boiler room.


The following is the result of wire tracing done 04/25/2017. Tucker
Conduits from this panel were sharpie labeled with letters for this mapping.

Conduit Label feed path What It Feeds
A dead ends 20' into shop
B into PB1-2, through wall into dock 220V welder outlet on N wall above hydraulic pump
C into PB1-2, then to Pj1-1, then down to PB1-1 rear door exit sign, and sockets above PP1-1 labeled as PP1-1:10
D conduit runs to PB1-2, but has no lines no lines in this conduit
E Junction in ceiling above cold metals, which feeds 3 things:
  • hanging 220V 1phase twistlock above Johnson bandsaw
  • fat pipe out of junction to south takes 90deg east and feeds hanging 120V sockets over lockers
  • narrow conduit south takes 90deg turn and tracks back towards boiler room, feeding an unused junction/socket in the boiler room wall
    • 4th conduit from this junction goes north and dead ends
F direct to lights in ceiling Shop lights, 2nd row from the East wall
G direct to lights in ceiling shop lights, 3rd and 4th rows from East wall
H across shop ceiling and down East wall 120V outlet run along East wall of cold metals

Small fuse box

Back of the shop, left of PP1-1, above the light switches.
Left fuse, exit signs.
traced wiring 4/25/2017, and both fuses appear to feed the fans for the heaters in the ceiling, and the junction boxes next to the roof vents. While this fuse panel does feed into the junction that feeds the exit signs, it is just passing through and does NOT actually feed the exit sign: Tucker

PB1-1

This junction is fed by 2 different wiring paths:

  • The first wiring path comes from the small fuse box (listed above), and passes through the socket box labeled PP1-1-2:10, then through PB1-1 and up ~4ft to PJ1-1. From PJ1-1, it passes through PB1-2 and out too a conduit in the ceiling where it splits to feed the heater fans (with the exception of the SW one), and the junctions next to the 2 vents in the ceiling
  • The second wiring path starts at PP1-2, goes up the conduit labeled 'C' to PB1-2. From there it goes out to PJ1-1, and then down to PB1-1. From PB1-1 it feeds the exit sign over the back door, and the sockets above PP1-1 labeled PP1-1-2:10

PB1-2

Power box connected to PP1-1 by conduit. Bridges the A/C heat pump/air handler circuit, among other things. The 3-phase for A/c heat pump and air handler is bridged such that the entire 3 phase comes from PP1-1 up to the roof via PB1-2, and a branch switched on the roof by relay comes back down in the same conduit that goes the the roof. This circuit is passed via conduit to the air handler, and switched manually on the bottom of the air handler.

Below is the result of wire tracing done 04/25/2017. Tucker

This junction is a pass through for circuits from PP1-1, PP1-2 and the small fuse box.

  • Small fuse box
    • lines go through PB1-1->PJ1-1->PB1-2->roof and supply heater fans
  • PP1-1
    • This circuit feeds through the conduit marked 'B' to the roof and presumably the AC (see note from previous mapping)
  • PP1-2
    • from conduit 'B', the circuit feeds through the wall behind PB1-2 and into the dock, where it supplies the 220V welder outlet on the back wall above the hydraulic pump.
    • from conduit 'C' -> PB1-2 -> PJ1-1 -> PB1-1 -> exit sign over back door, and the outlets above PP1-1
    • Conduit 'D' connects PP1-2 and PB1-2, but no wires are run inside.

PP1-3

Metal shop, by the lathes.

Breaker # Used What Is It
1, a&b yes, works 20 amp.
3, a&b  ?
5&7, a&b yes, works 50 amp, 240v, cold metal.
5b & 7a yes works 20 amp 240v, dedicated Clausing lathe.

PP1-4

On east wall of shop close to the rear sliding door to the dock

pp1 4 east of tormach as of june 2021
breaker amps controls breaker amps controls
1 2 30 deckle/Bridgeport
3 4 30 deckle/Bridgeport
5 6 30 deckle/Bridgeport
7 8 30 leblonde
9 10 30 leblonde
11 15 spray booth fan 12 30 leblonde
13 15 spray booth fan 14 50 sm 240
15 15 spray booth fan 16 50 sm 240
17 80 18 50 sm 240
19 80 20 15 assembly drop outlet
21 22
23 30 tormach 24 20
25 30 tormach 26 20
27 28
29 20 lathe outlet 30 20
31 100 32
33 100 34
35 100 36
37 20 small metals drop 38 60 kitchen oven
39 40 60 kitchen oven
41 42 60 kitchen oven

The following is the result of wire tracing done 04/25/2017. Tucker Conduits from this panel were sharpie labeled with letters for this mapping.

conduit label routing What It feeds
A up to shop ceiling 3phase drop to DoAll band-saw
B Up to ceiling and a junction, One leg out of the Junction feeds a 220V 50A drop in small metals (used to feed welder when hot metals lived there), second run from junction feeds unused junction box on S wall of boiler room 50A 220V drop in small metals

PP1-5

Cold Metal shop,

pp1-5 corner btwn lathe and mill as of june 2021
breaker amps controls breaker amps controls
100
100
1 100 2 15
3 100 4 15
5 15 6 15
7 15 8 15
9 20 server 2nd fl closet 10 20
11 30 server 2nd fl closet 12 20 server tower a
13 20 14 20 server tower B
15 20 16 20 util outlets catwalk
17 30 18
19 30 20

PP1-6

In the safe in the lounge. The top big breaker is the service disconnect for the whole box. This box covers everything in the lounge, the front entryway, and the upstairs bathroom.

safe as of june 2021
breaker amps controls breaker amps controls
50 lounge everything
50 lounge everything
1 20 BOSS 2 20 safe
3 20 BOSS 4 20 AC wall
5 20 Toilets 6 20 bar wall
7 20 flor lts 8 20 Boss chiller
9 20 epilog 10 20 laser exhaust
11 20 12 20 laser exhaust
13 14
15 16
17 18
19 20

PP1-7

Blue fuse box in the furnace room. Powers just the air compressor.

PP1-8

3515, by the back door

This is mostly the lights and outlets in the main room, and the loading dock

pp1-8 woodshop as of june 2021
breaker amps controls breaker amps controls
1 20 lights 2 20 outlets
3 20 lights 4 20 outlets
5 20 outlets 6 20 outlets
7 20 outlets 8 20 outlets in DC closet
9 20 10 20 outlets
11 20 outlets cord drop reel 12 20 outlets
13 20 loadinf dock outlet light and garage dr 14 20 lights
15 20 outlets cord drop reel 16 20 lights
17 18 20 lights
19 20 20 outlets ceiling drop




pp1-9 as of june 2021
breaker amps controls breaker amps controls
1 15 new lathe 2 30
3 15 new lathe 4 30
5 30 6 20
7 30 8 30
9 15 band saw 10 30
11 15 band saw 12 20
13 20 griz planer 14 20
15 20 griz planer 16
17 20 chop saw 18 20 table saw label but not
19 30 20 20 table saw label but not
21 30 22
23 30 24 20
25 20 26 20
27 28 30 shopbot
29 20 30 30 shopbot
31 20 32 20
33 34
35 20 36 20
37 20 38
39 40
41 20 42 20 blast gates & air cleaners


pp1-?? Hot metals as of june 2021
breaker amps controls breaker amps
1 60 CNC Plasma cutter 2 40 3PH welder #2
3 60 CNC Plasma cutter 4 40 3PH welder #2
5 60 CNC Plasma cutter 6 40 3PH welder #2
7 40 3PH welder #1 8 40 1 PH welder #2
9 40 3PH welder #1 10 40 1 PH welder #2
11 40 3PH welder #1 12 20 recep south wall
13 40 1 PH welder #1 14 20 recep cnc plasma
15 40 1 PH welder #1 16 20
17 40 receps s wall 18 20 recep cord reel
19 20 receps east wall 20 20 grinder
21 20 22 20 grinder
23 20 receps east wall 24 20 grinder
25 20 receps east wall 26 20 recep quad drop
27 20 28 20
29 20 receps east wall 30 20 recep
31 20 32 30 Sawstop
33 20 34 30 Sawstop
35 20 36
37 20 38
39 20 40

Second Floor

PP2-1

In the AC/comms closet upstairs.

Breaker # Used Amperage What Is It
1 in use 100 Main breaker for box - Tandem with #3
3 in use 100 Main Breaker for box - Tandem with #1
5 20 Tandem with #7
6 20
7 20 Tandem with #5
8 in use 20 Back stairwell lights, catwalk lights, night light in the shop..
9 20
10 in use 20 Mid lights
11 20
12 in use 20 Electronics area lights
13 in use 20 CNC area
14 in use 20 Arts lights
15 in use 20 Electronics area north wall (light switch)
16 20
17 20
18 in use 20 Shop heating radiator fans and thermostats.
19 15
20 in use 15 Outlet in closet
21 30 Tandem with #23
22 unused none
23 30 Tandem with #21
24 unused none


PP2-2

On the catwalk.
This is a 3 phase panel,"High Leg Delta" configuration, http://en.wikipedia.org/wiki/High-leg_delta The center bus bar is 208v to neutral.

Breaker # Used Amperage What Is It
1 in use 20 above kitchen ceiling, servers on catwalk
2 in use 20 2 lower outlets, in kitchen either side of door. Outlet at SEM location
3 Not used none 208 volts to neutral, not recommended for use except in 3 phase circuit.
4 Not used none 208 volts to neutral, not recommended for use except in 3 phase circuit.
5 in use split 20 2 circuits a&b, Beer church.
6 in use 20 Tandem with #8 - 240v, Oven, 8 gauge, 4 wires, capable of 50 amps
7 in use 20
8 in use 20 Tandem with #6 - 240v, Oven, 8 gauge, 4 wires, capable of 50 amps
9 Not used none 208 volts to neutral, not recommended for use except in 3 phase circuit.
10 Not used none 208 volts to neutral, not recommended for use except in 3 phase circuit.
11 in use 20 Laser
12 in use 20 Tandem with #14 - 240v, kitchen, above counter. For induction cook top
13 in use 30 Tandem with #15 & #17 - Bridgeport
14 in use 20 Tandem with #12 - 240v, kitchen, above counter. For induction cook top
15 in use 30 Tandem with #13 & #17 - Bridgeport
16 Not used none 208 volts to neutral, not recommended for use except in 3 phase circuit.
17 in use 30 Tandem with #13 & #15 - Bridgeport
18 in use 20 Outlet at SEM location

Electrical Punch List

Desired Circuits

Hot Metals

Wood Shop

drops: http://www.mcmaster.com/#4804k12/=pmf353 ??

Other goodies

100 amp 5 wire 3 phase disconnect with lugs sufficient for #1 feeder cable. This could be located anywhere that is convenient.

Light Switches

Upstairs: Arts and Electronics Areas

There are five lighting circuits upstairs, four of which are on three-way switches.

  • There is a switch next to the front stairway for stairwell and upstairs landing (the other switch is at the bottom of the stairs). Leave this light on.
  • There are three switches on the Arts side of the stairwell labelled 'Arts' 'Electronics' and 'Mid'. There is an identical set of switches by the door to the back stairway.
    • Arts is the lights on the arts side of the upstairs
    • Electronics is two rows of lights on the electronics side
    • Mid is one row of lights in electronics
  • Many of the fixtures in electronics have individual pull-switches (wall switch must be on)
  • The switch for the lights in front of the shelves on the north wall of the electronics lab is behind the shelves. Follow the conduit that comes down from the ceiling.

Cold Metals, General Shop, Small Metals

The shop lights are near the back door -- look to the left of the loading dock, to the left of the electrical panels with the clock sitting on top. There's a row of with a red panel around them.

There's no way to turn these lights on from the other end of the shop. But a switch in Cold metals next to the sliding door into the lounge does turn on a small bank in the center of the room for safety.

One light should stay on for safety. If there are zero lights on, turn one on.

Switches that have clear plastic covers don't need to be messed with.

Lounge

The lounge has a simple light switch arrangement.

CNC Room

  • Four switches by the front entrance that control the lights in the main part of the room
  • Two switches by the safe to the left, one for the safe lights and one for the short hall by the doorway to the shop
  • One switch to the right of the safe, that controls the outlet on the ceiling in the center of the room.

Wood Shop / Hot Metals

  • Both the Wood Shop and Hot Metals share light controls. Switches are located near the loading dock doors spread over two clusters of switch boxes either side of the electrical panels.
  • There is a switch next to the HotMetals street door that turns on the very center of Hot Metals & the Wood shop, it is a 3-way with a switch in the clusters noted above.