I HAVE TWO QUESTIONS.

1. IF WE ARE USING 5 FT WHIPS IN THE CEILING FROM BOX TO 2X4 LIGHT HOW OFTEN DO YOU HAVE TO STRAP OR SUPPORT IT?

2. HOW OFTEN DO YOU HAVE TO SUCURE MC IN WALLS? ITS IT 1 FOOT FROM BOX AND THEN EVERY 4 FEET?