# COMAR Title 11 — Department of Transportation

## Subtitle 19 — Motor Vehicle Administration — School Vehicles

### Chapter 03 — Type II School Vehicles — Construction Standards

#### Regulation .07 Electrical (Chassis Wiring).

*COMAR 11.19.03.07*

A. Alternator. The alternator with rectifier shall have an operational rating capable of supplying sufficient electrical power to maintain a fully charged storage battery with all electrical equipment, except the horn, hydraulic lift, and engine starting motor, operating simultaneously while the vehicle is running normally.

B. Battery.

  (1) The battery shall:

    (a) Be of sufficient capacity to supply all electrical requirements; and

    (b) Have a minimum cold cranking capacity rating of 650 amperes measured at 0°F.

  (2) If equipped with a hydraulic lift, the manufacturer shall equip the vehicle with an appropriate heavy duty battery and alternator.