Figure 3. Relationship moments in balance The proposed crane in this paper reduces the ballast and eliminates the anchor, since it will be auto balancing''. The concept of self-balancing involves eliminating anchoring system, which is replaced by a movable counterweight as shown in Fig. 4. Figure 4.
L5-20 and L5-30 Cords â 120V. Many of the higher end portable generators have a L5-30R outlet. This is handy as it allows you to connect a L5-30P to the generator and use a multiple type 5 outlet at the other end allowing you to use 2 or 3 tools or appliances that use less than the total rated amps or 3600 watts.
How to size an extension cord. Below is a table to help you determine which extension cord you need for the job. First determine how long of an extension cord you need. If you are working 20 feet from an outlet, use the shortest extension cord you can based on the table below. Next, determine how much amperage the piece of equipment you are using needs to function properly.