Sponsored by IEEE/PES Transformers Committee

Control Cabinet Survey

Sponsored by IEEE/PES Transformers Committee

Task Force - Control Cabinet Guidelines

Required / Optional / Not Desired / Encountered Often / Rarely Encountered
User / Manuf.

1.Cabinet ConstructionComments

a.MaterialsComments

i.Steel constructionComments

ii.Stainless steel constructionComments

iii.Fiberglass constructionComments

b.Mechanical strength/performance specifiedComments

i.SeismicComments

ii.Hurricane force windsComments

iii.Workers' weight standing on topComments

c.NEMA rating (3R, etc.)Comments

d.Dimensional RequirementsComments

i.Minumum bottom heightComments

ii.Maximum top heightComments

iii.Sloped top or coverComments

e.Doors and Hardware

i.Single doorComments

ii.Double doorComments

iii.Three-point latchComments

iv.Locking latchComments

(a)Type of lock specifiedComments

v.Brackets to hold door(s) openComments

vi.Hinge requirementsComments

vii.Window(s) in door(s)Comments

viii.Gasket/seal design specifiedComments

ix.Swing panelsComments

f.Paint

i.Outside color specifiedComments

ii.Inside color specifiedComments

iii.Paint type specifiedComments

iv.Application method specifiedComments

g.Pocket for Instruction BookComments

i.Location specifiedComments

ii.Size specifiedComments

h.Ground connections

i.Internal copper ground bus barComments

ii.External ground pad(s)Comments

i.Bottom plate for field conduit attachmentComments

i.Aluminum specifiedComments

ii.Minimum size specifiedComments

iii.Minimum/maximum thickness specifiedComments

j.Transformer conduit connectionsComments

i.Location on cabinet specifiedComments

(a)SidesComments

(b)BottomComments

ii.Conduit type specifiedComments

k.Vibration reduction mount (rubber washers, etc.)Comments

2.Accessories

a.Circuit Breakers/ContactorsComments

i.Ratings specifiedComments

ii.Ambient conditions specifiedComments

iii.Thermal breakers specifiedComments

iv.Magnetic breakers specifiedComments

b.SwitchesComments

i.Control circuit specifiedComments

ii.Function specified (Auto/Manual, etc.)Comments

iii.Type/contacts specifiedComments

c.Timers for fans/pumpsComments

d.HeatersComments

i.Watt rating specifiedComments

ii.Reduced voltage operation (240V connected at 120V e.g.)Comments

iii.Number specifiedComments

iv.Adjustable thermostatComments

v.Adjustible humidistatComments

vi.LocationComments

vii.In every cabinet on transformerComments

e.Vents

i.WeatherproofComments

ii.Insect proofComments

iii.FansComments

iv.LouversComments

v.Screens/filtersComments

f.Lights

i.Door switchComments

ii.Manual switchComments

iii.IncandescentComments

iv.FluorescentComments

v.Watt rating specifiedComments

g.Convenience outlet (120V ac)Comments

i.GIF outletComments

ii.Fed from station serviceComments

iii.Fed from transformer in control cabinetComments

h.AnnunciatorComments

i.Number of alarm points specifiedComments

i.Seal-in relay for sudden pressure rise relayComments

j.Programmable Logic Controllers (PLC’s)Comments

k.Fiber-optic through-wall bushings for hot-spot sensor, etc.

Comments

3.Terminals

a.Stud size and threads/inch specifiedComments

b.Sliding linksComments

i.Orientation specified (horizontal strip, fall open if loose, e.g.Comments

(a)CT circuitsComments

(b)Control circuitsComments

c.Fixed linksComments

d.Terminal strips

i.Number of terminal strips specifiedComments

ii.Number of terminals/strip specifiedComments

iii.Layout specifiedComments

iv.Terminal strip number/letter specifiedComments

v.Number of terminal strips specifiedComments

e.Spare/unused terminalsComments

i.Percentage or number specifiedComments

4.Wiring

a.Conductor size specifiedComments

i.Current transformer wiringComments

ii.Cooling power wiringComments

iii.Control and other wiringComments

b.Crimp connector type specifiedComments

c.Voltage rating specifiedComments

d.Insulation material specifiedComments

e.Temperature rating specifiedComments

f.Oil resistance specifiedComments

5.Safety Issues

a.Shields over exposed voltages/terminalsComments

i.Swing panel shield (back of panel)Comments

ii.Voltage dependentComments

b.Shields over heatersComments

c.Warning signs/labelsComments

6.Other Important Requirements (List)

Survey respondent is a UserManufacturer

Return the completed survey to Joe Watson, Chair TF Control Cabinet Guidelines by February 21, 2003.

(note the underscore in the address)

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