How long is a length of trunking? Width (mm) Height (mm) Length (mtr) 150 150 3 225 50 3 225 75 3 225 100 3 What is space factor for trunking? wiring regulations, the space factor occupied by trunking should not exceed 45% of the cross-sectional area of the section. How do you cut a… Read More »
Your Home May Not Have Sufficient Return Ventilators Having multiple return vents (ideally one in each room, but even two or three is better than just one) creates consistent air pressure. If you have one return fan, your home is good. Keep the doors to each room open so that air can circulate properly. What… Read More »