Use a wooden electrical pole as a support for evergreen or flowering vines, if your utility company and local government allow it. Choose a vine that never gets as high as the point where the lines attach to the poles. A vine that twines is a better choice than one that clings with adhesive suckers because the vine will only grow as tall as the wire or trellis you plant it against. Large-flowered clematis (Clematis hybrids), goldflame honeysuckle (Lonicera x heckrotti) and climbing roses (Rosa ssp. and hybrids) are good choices that stay under 12 to 15 feet.
Create a conifer garden in front of the electrical pole. Like the magician's trick of diverting your attention, the focus will be on the garden in front of the pole and not on the pole itself. Since conifers keep their foliage all year, the pole becomes less noticeable year-round. Use a variety of shapes and sizes so that the garden is interesting from all directions.
Plant a cluster of three to five deciduous trees between your house or patio and the electrical pole. This creates a naturalistic screen to hide the pole. However, make sure the trees have enough headroom that their branches won't grow near the overhead wires. Trees such as birches (Betula spp.) have interesting bark that's attractive in the winter, too.
Plant a large, conical evergreen in front of the pole. Choose a variety that grows taller than the pole or that will look taller from your vantage point. In a few years, the evergreen will be the dominant feature, not the pole. American hollies (Ilex opaca), arborvitae (Thuja spp.) and Canadian hemlocks (Tsuga canadensis) all make good screens. Just make sure to site the tree so that no matter how tall it gets, it won't encroach on the electrical wires.