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It isn't dangerous to have a DC voltage on a co-ax input to a television but there is a small risk that it may damage the input. It certainly isn't regarded as good practice to allow DC voltages to reach inputs unless they are intended to deal with DC.
There are a variety of devices such as signal amplifiers that can be fitted close to an aerial and powered by a power supply at the other end of the co-ax cable. In these cases, a DC voltage is applied to the cable but is not allowed to pass further down the co-ax cable to the television itself. If the cable is disconnected from the television, in some cases, the DC voltage can be measured but this is normally just some leakage from the DC filter in the power supply. Once connected to a television input, the voltage will normally disappear.
If there is still a concern, talk to a qualified TV service engineer who will be able to identify the source of the 12V.
What else can I help you with?
Which is more dangerous ac or DC shock?
DC is more dangerous because its magnitude doen't goes zero instantly after every half cycle as in case of AC .
How do you convert 12 volt DC to 100 volt DC?
With an appropriately rated DC to DC converter.
Was Washington DC named most dangerous city in 2009?
no
Is a car cigarette lighter socket ac or dc?
12 volts DC
CAN YOU STEP DOWN 36 volt dc to 12 volt dc using batteries?
can ou step down 36 volts dc to 12 volt dc using batteries
Where are DC Shoes job listings?
by going to the DC shoes website
Why ac current is more dangerous than dc?
no actually dc current is more dangerous than ac because dc is a direct current and has no current zero condition ,which is very dangerous and do not leave us if we get shock while ac current leave us when we get shock
Which type of electrical current, AC or DC, is more dangerous?
Both AC and DC electrical currents can be dangerous, but AC is generally considered to be more dangerous than DC. This is because AC can cause muscles to contract involuntarily, making it harder for a person to let go of a live wire. DC, on the other hand, typically causes a single muscle contraction, making it easier for a person to release the source of the shock.
When does the last train leave New York going to Washington DC?
WHEN DOES THE LAST TRAIN LEAVE NEW YORK GOING TO dc
Is 100 amps 48 volts DC the same 12 volts DC?
No.
When was DC Pierson born?
DC Pierson was born on 1984-12-27.
AC or DC more dangerous?
yes it is 230 v is deadly, it doesn't matter if it's ac or dc. Some people say one is more dangerous than the other. That implies that there is some voltage, lower than 230 v, at which one will kill you but the other will not. There is no conclusive evidence for that, so it can't be said that ac is more dangerous than dc or vice versa.
