Volvo VNL 780 Operator's Manual page 471

MAINTENANCE AND LUBRICATION
Before connecting any electrical accessory, make sure it is made for 12 V operation. This
circuit is fused at 20 A maximum, or optional circuits are fused at higher amps (30 A). DO
NOT overload this circuit.
CAUTION
DO NOT connect a device with a current
rating in excess of the amount specified
on the fuse and relay panels.
The dash top tray or the overhead radio shelf is available with an optional CB mount power
strap to hold different size radios securely in place.
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