Growing concern for public safety and the increasing complexity of today's fixed electrical installations in domestic, commercial and industrial premises places extra responsibility on the electrical contractor who is charged with verifying the safety of a given installation. Shop4 Electrical's wide range of electrical test instruments has been carefully chosen to include the products required to conduct the full range of common circuit integrity checks demanded by the latest regulations. Shop our collection of electrical test equipment and buy online for free delivery on all orders over £50.