Here are links to a couple news articles about the contractors working at CL&P:
http://www.ctnewsjunkie.com/archives/entry/linemens_union_says_clp_violated_labor_agreement_clp_disagrees/
http://www.middletownpress.com/business/20140602/clp-plan-to-increase-contract-workers-violates-pact-union-claims