Light Level A: two-way flashing lights; left side, facing rear, interior mount (standard on sedans). One of the following:

• Federal Signal¹
  Halogen, Suitable for external use
  MFR PN 320122-22
  

• Public Safety Equipment (PSE)¹
  LED, Suitable for external use
  MFR PN LXEXBFCAL2

• Public Safety Equipment (PSE)¹
  65/100 flash pattern, Not suitable for external use
  MFR PN RVMHAH-CA

Light Level B: includes Light Level A and flashing light; facing front, at rear view mirror, interior mount (justification required). One of the following:

• Federal Signal²
  MFR PN 322172

• Public Safety Equipment (PSE)²
  MFR PN 800A
  

  • includes windshield mounting bracket: MFR PN SCMNT

• Public Safety Equipment (PSE)²
  LED, Suitable for external use
  MFR PN LXEXBFCAL1
  

Light Level C: mini-lightbar, amber with roof bar (justification required). One of the following:

• ECCO
  Halogen
  MFR PN 5315

• Federal Signal
  Halogen
  MFR PN 450112-02
  

• Public Safety Equipment (PSE)
  MFR PN 420AH

Mounting Options: One of the following:

• Luggage Rack

• Roof Mount Bar:
  1. Bar: Federal Signal: MFR PN 210960-46
  2. Feet
  3. Retainers
  Note: for Items 2 and 3, please refer to Federal Signal customer service 1-800-824-0254 with MFR, Make, Model, and Year for appropriate parts.

Light Level D: includes Light Level C and arrowstick, amber (justification required). One of the following:

• ECCO
  MFR PN 3035H-CA

• Federal Signal
  MFR PN SML8-30/SMC551-322612

  • Roof mount bar brackets: MFR PN 320320

• Grote
  MFR PN 78980

Light Level E: single rotating light, amber with magnetic/vacuum base (intermittent use only - intended for leased/rented vehicles and older CT units not equipped with permanent lights):

• ECCO
  Halogen
  MFR PN 5715A-VM
  

General Mounting Recommendations:

1. Do not mount Level A or B lighting devices behind tinted glass.³
2. "Visibility of the warning lamps should be unobstructed by any part of the vehicle 10° above to 10° below the horizontal and from 45° to the right to 45° to the left of the centerline of the vehicle."⁴
3. "There should be a visible or audible means of giving a clear and unmistakable indication to the driver when the warning lamps are turned on."⁴
4. Level A shall be mounted, facing the rear, on the interior, left side corner of the vehicle, on the rear deck for sedans and at the headliner level for wagons and sports utility vehicles.⁵
5. Level B lights shall be mounted out of the view of the driver, behind and to the right of the rear view mirror or at the headliner level.⁵
6. Level C, D, and E shall be mounted exterior to the vehicle. Interior mount arrowstick shall be deleted from the approved light levels.⁵