Yes, cables is a Scrabble word!

Verb

1. Send cables, wires, or telegrams

2. Fasten with a cable

Noun

1. A telegram sent abroad

2. A conductor for transmitting electrical or optical signals or electric power

3. A very strong thick rope made of twisted hemp or steel wire

4. A nautical unit of depth

5. Television that is transmitted over cable directly to the receiver

6. A television system that transmits over cables